Definition of quantum in English:

quantum

nounPlural quanta ˈkwɒntəmˈkwɑn(t)əm

1Physics
A discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents.
量子
Example sentencesExamples
- Electrons move from one orbital into another by absorbing or emitting a quantum of energy, just as Bohr explained.
- As they moved closer to the nucleus, the electrons would begin emitting their quanta of energy as light.
- To drop from a higher to a lower, it emitted a quantum of energy.
- Bohr realized that the idea of a quantum of energy could explain how the electrons in the atom are arranged.
- This excess energy is emitted in quanta of electromagnetic radiation (photons of light) that have exactly same energy as the difference in energy between the orbits jumped by the electron.
1. 1.1 An analogous discrete amount of any other physical quantity, such as momentum or electric charge.
  （动量或电荷等物理值的）量子
  Example sentencesExamples
  A second problem also led to a quantum theory of light, and this time to a belief in the physical reality of the quanta.
  These symmetries tie together particles usually considered constituents of matter (like quarks and electrons) with the quanta of forces (like photons and gluons).
  Information refers primarily to facts, discrete quanta of information that can be transmitted through simple communication in relatively complete form and without loss of integrity.
  Light bullets are the quanta of the electromagnetic field and are known as photons.
  The asymmetry of water and ozone molecules causes the moments of inertia that govern the quanta of rotational motion to be different in each spatial direction.
2. 1.2Physiology The unit quantity of acetylcholine released at a neuromuscular junction by a single synaptic vesicle, contributing a discrete small voltage to the measured end-plate potential.
  〔生理〕（乙酰胆碱释放的）单元量
  Example sentencesExamples
  A second result of significance is that the size of the quantum is the same for release and for stretch.
  In the crayfish leg extensor preparation, the number of quanta released per action potential (quantal content) was approximately 15, at low frequencies of stimulation.
  Responses ensuing from the spontaneous release of single quanta are termed miniature excitatory junctional currents (mEJCs).
  What fraction of receptors are saturated following the release of a single quantum, and is a larger synapse, with more receptors less saturated than a smaller one?
  The saturation of receptors at a single central synapse by a quantum of neurotransmitter is the subject of much controversy.
2A required or allowed amount, especially an amount of money legally payable in damages.
（尤指偿付损失的）定额，定量
the court must determine the quantum of compensation due
Example sentencesExamples
- The other issue is the quantum of spousal support payable from the respondent to the applicant.
- It follows that the quantum of damages in private nuisance does not depend on the number of those enjoying the land in question.
- It would just be a case where an issue of liability has been determined; the quantum of the damage has not.
- Courriere denies the plaintiff's allegations and disputes the quantum of damages in his statement of defence.
- The precise quantum of the damages was a relatively minor point in this action and should not be difficult to resolve.
- Counsel for the Defendants denies liability and contests the quantum of damages.
- The authorities give judges no help in directing juries on the quantum of exemplary damages.
- That judgment reflected a reduction in the agreed quantum of damages suffered by the plaintiff.
- It points out at line 15 that the first matter to be determined on an application under the section is: the quantum of common law damages which would have been recoverable had they been sued for.
- The quantum of support requires a finding as to the income of the Respondent.
- How is the quantum of user damages to be assessed?
- Under Bill 164 the only issue is the quantum of general damages in light of his injuries.
- The agreement reached is akin to the kind of agreement frequently reached in litigation where a defendant accepts liability but not causation of damage nor the quantum of the loss claimed.
- The parties agreed the Minutes of Settlement would be filed with the court and that the court would be asked to stipulate, in any reasons for judgment, the agreement as to the quantum of damages.
- Counsel for the plaintiffs submits that the quantum of damages should be assessed in the amount of $20,000.00 for each of the plaintiffs.
- Assessing his prospects of success in those claims and the quantum of any damages requires many of the underlying issues to be tested or tried.
- If the plaintiff proved that he had lost a real or substantial chance as opposed to a speculative one the evaluation of that chance was part of the assessment of the quantum of damage.
- We also require details of the quantum of the claim including a breakdown of the elements of the costs and how they have been incurred.
- The dispute is as to the nature of the work that would be required to put the premises into that condition, and as to the quantum of the damage suffered by the claimant by reason of the breaches of those covenants.
- In effect, Dr. Rosen did not give a report on the quantum of damages suffered by the plaintiff.
Synonyms
amount, proportion, quantity, bulk, total, quota
1. 2.1 A share or portion.
  份额，部分
  each man has only a quantum of compassion
  每个人仅有一点怜悯之情。
  Example sentencesExamples
  The quantum of storage allocated to the user must be increased or decreased as usage changes, and these real-locations must be transparent to the application.
  During the current year, the Zone's quantum of exports has grown 30 per cent to touch nearly Rs.225 crores.
  Its next best performance was in 1998 when the quantum of floodwater released touched a high of 10 lakh cusecs.
  If at all some relief is to be given to marginal farmers, the quantum of free power and/or the land holdings must be specified.
  ‘We expect to increase the quantum of shrimp exports in future,’ he said.
  Most of the residents of the area are now keen on setting up vermi compost and aerobic compost units on their premises, which reduce the quantum of garbage that is pushed out into the general pool of city waste.
  Acknowledgement represents the smallest quantum of human interaction.
  Haryana has a sense of grievance at the non-completion of the SYL canal and the consequent non-availability of the quantum of waters allocated to it.
  In the meanwhile, the quantum of water released to the Indira Gandhi Canal was also increased, he said.
  You would need to go the second step and, in addition, you would need to know the quantum of the shares.
  The quantum of interest rates we appear to be looking at I think is already factored into the market, " Hughes-Hallett said.
  In the same article he takes the definition of a ‘ration’ from the New Shorter Oxford Dictionary as a fixed quantum of health care per person.
  The quantum and the interest rate are not known, according to sources in the banking industry.
  In an obvious departure from Dickens these stores always included quanta of Americana.
  Synonyms
  portion, part, division, bit, quota, allowance, ration, allocation, allotment, lot, measure, due

Origin

Mid 16th century (in the general sense 'quantity'): from Latin, neuter of quantus (see quantity). Sense 1 dates from the early 20th century.

Although you will often come across a sentence like ‘This product represents a quantum leap forward in telecommunications technology’, the curious thing about the term quantum leap is that, strictly speaking, it does not describe a large change at all, but a tiny one. Quantum comes from Latin quantus, ‘how big?’ or ‘how much?’, and originally meant ‘a quantity or amount’. In physics a quantum (a term introduced by the physicist Max Planck around 1900) is a very small amount of energy, the minimum amount of energy that can exist in a given situation, and a quantum jump is the abrupt change of an electron or atom from one energy state to another. Although this is a tiny jump in terms of size, it is an instantaneous and dramatic one, which explains why the term came into general usage from around 1970 to describe a sudden large increase or major advance. Quantity (Late Middle English) comes from the same root as quantum.

Definition of quantum in US English:

quantum

nounˈkwän(t)əmˈkwɑn(t)əm

1Physics
A discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents.
量子
Example sentencesExamples
- Electrons move from one orbital into another by absorbing or emitting a quantum of energy, just as Bohr explained.
- As they moved closer to the nucleus, the electrons would begin emitting their quanta of energy as light.
- This excess energy is emitted in quanta of electromagnetic radiation (photons of light) that have exactly same energy as the difference in energy between the orbits jumped by the electron.
- Bohr realized that the idea of a quantum of energy could explain how the electrons in the atom are arranged.
- To drop from a higher to a lower, it emitted a quantum of energy.
1. 1.1 An analogous discrete amount of any other physical quantity, such as momentum or electric charge.
  （动量或电荷等物理值的）量子
  Example sentencesExamples
  A second problem also led to a quantum theory of light, and this time to a belief in the physical reality of the quanta.
  Information refers primarily to facts, discrete quanta of information that can be transmitted through simple communication in relatively complete form and without loss of integrity.
  Light bullets are the quanta of the electromagnetic field and are known as photons.
  These symmetries tie together particles usually considered constituents of matter (like quarks and electrons) with the quanta of forces (like photons and gluons).
  The asymmetry of water and ozone molecules causes the moments of inertia that govern the quanta of rotational motion to be different in each spatial direction.
2. 1.2Physiology The unit quantity of acetylcholine released at a neuromuscular junction by a single synaptic vesicle, contributing a discrete small voltage to the measured end-plate potential.
  〔生理〕（乙酰胆碱释放的）单元量
  Example sentencesExamples
  In the crayfish leg extensor preparation, the number of quanta released per action potential (quantal content) was approximately 15, at low frequencies of stimulation.
  Responses ensuing from the spontaneous release of single quanta are termed miniature excitatory junctional currents (mEJCs).
  A second result of significance is that the size of the quantum is the same for release and for stretch.
  What fraction of receptors are saturated following the release of a single quantum, and is a larger synapse, with more receptors less saturated than a smaller one?
  The saturation of receptors at a single central synapse by a quantum of neurotransmitter is the subject of much controversy.
2A required or allowed amount, especially an amount of money legally payable in damages.
（尤指偿付损失的）定额，定量
Example sentencesExamples
- The agreement reached is akin to the kind of agreement frequently reached in litigation where a defendant accepts liability but not causation of damage nor the quantum of the loss claimed.
- The quantum of support requires a finding as to the income of the Respondent.
- The precise quantum of the damages was a relatively minor point in this action and should not be difficult to resolve.
- The authorities give judges no help in directing juries on the quantum of exemplary damages.
- Assessing his prospects of success in those claims and the quantum of any damages requires many of the underlying issues to be tested or tried.
- Courriere denies the plaintiff's allegations and disputes the quantum of damages in his statement of defence.
- In effect, Dr. Rosen did not give a report on the quantum of damages suffered by the plaintiff.
- Under Bill 164 the only issue is the quantum of general damages in light of his injuries.
- Counsel for the plaintiffs submits that the quantum of damages should be assessed in the amount of $20,000.00 for each of the plaintiffs.
- It would just be a case where an issue of liability has been determined; the quantum of the damage has not.
- We also require details of the quantum of the claim including a breakdown of the elements of the costs and how they have been incurred.
- The other issue is the quantum of spousal support payable from the respondent to the applicant.
- It follows that the quantum of damages in private nuisance does not depend on the number of those enjoying the land in question.
- Counsel for the Defendants denies liability and contests the quantum of damages.
- If the plaintiff proved that he had lost a real or substantial chance as opposed to a speculative one the evaluation of that chance was part of the assessment of the quantum of damage.
- That judgment reflected a reduction in the agreed quantum of damages suffered by the plaintiff.
- It points out at line 15 that the first matter to be determined on an application under the section is: the quantum of common law damages which would have been recoverable had they been sued for.
- The dispute is as to the nature of the work that would be required to put the premises into that condition, and as to the quantum of the damage suffered by the claimant by reason of the breaches of those covenants.
- How is the quantum of user damages to be assessed?
- The parties agreed the Minutes of Settlement would be filed with the court and that the court would be asked to stipulate, in any reasons for judgment, the agreement as to the quantum of damages.
Synonyms
amount, proportion, quantity, bulk, total, quota
1. 2.1 A share or portion.
  份额，部分
  each man has only a quantum of compassion
  每个人仅有一点怜悯之情。
  Example sentencesExamples
  The quantum and the interest rate are not known, according to sources in the banking industry.
  Acknowledgement represents the smallest quantum of human interaction.
  ‘We expect to increase the quantum of shrimp exports in future,’ he said.
  The quantum of interest rates we appear to be looking at I think is already factored into the market, " Hughes-Hallett said.
  Its next best performance was in 1998 when the quantum of floodwater released touched a high of 10 lakh cusecs.
  In the same article he takes the definition of a ‘ration’ from the New Shorter Oxford Dictionary as a fixed quantum of health care per person.
  Most of the residents of the area are now keen on setting up vermi compost and aerobic compost units on their premises, which reduce the quantum of garbage that is pushed out into the general pool of city waste.
  In an obvious departure from Dickens these stores always included quanta of Americana.
  Haryana has a sense of grievance at the non-completion of the SYL canal and the consequent non-availability of the quantum of waters allocated to it.
  The quantum of storage allocated to the user must be increased or decreased as usage changes, and these real-locations must be transparent to the application.
  If at all some relief is to be given to marginal farmers, the quantum of free power and/or the land holdings must be specified.
  In the meanwhile, the quantum of water released to the Indira Gandhi Canal was also increased, he said.
  During the current year, the Zone's quantum of exports has grown 30 per cent to touch nearly Rs.225 crores.
  You would need to go the second step and, in addition, you would need to know the quantum of the shares.
  Synonyms
  portion, part, division, bit, quota, allowance, ration, allocation, allotment, lot, measure, due

Origin

Mid 16th century (in the general sense ‘quantity’): from Latin, neuter of quantus (see quantity). Sense 1 dates from the early 20th century.

单词	quantum
释义	Definition of quantum in English: quantum nounPlural quanta ˈkwɒntəmˈkwɑn(t)əm 1Physics A discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents. 量子 Example sentencesExamples Electrons move from one orbital into another by absorbing or emitting a quantum of energy, just as Bohr explained. As they moved closer to the nucleus, the electrons would begin emitting their quanta of energy as light. To drop from a higher to a lower, it emitted a quantum of energy. Bohr realized that the idea of a quantum of energy could explain how the electrons in the atom are arranged. This excess energy is emitted in quanta of electromagnetic radiation (photons of light) that have exactly same energy as the difference in energy between the orbits jumped by the electron. 1.1 An analogous discrete amount of any other physical quantity, such as momentum or electric charge. （动量或电荷等物理值的）量子 Example sentencesExamples A second problem also led to a quantum theory of light, and this time to a belief in the physical reality of the quanta. These symmetries tie together particles usually considered constituents of matter (like quarks and electrons) with the quanta of forces (like photons and gluons). Information refers primarily to facts, discrete quanta of information that can be transmitted through simple communication in relatively complete form and without loss of integrity. Light bullets are the quanta of the electromagnetic field and are known as photons. The asymmetry of water and ozone molecules causes the moments of inertia that govern the quanta of rotational motion to be different in each spatial direction. 1.2Physiology The unit quantity of acetylcholine released at a neuromuscular junction by a single synaptic vesicle, contributing a discrete small voltage to the measured end-plate potential. 〔生理〕（乙酰胆碱释放的）单元量 Example sentencesExamples A second result of significance is that the size of the quantum is the same for release and for stretch. In the crayfish leg extensor preparation, the number of quanta released per action potential (quantal content) was approximately 15, at low frequencies of stimulation. Responses ensuing from the spontaneous release of single quanta are termed miniature excitatory junctional currents (mEJCs). What fraction of receptors are saturated following the release of a single quantum, and is a larger synapse, with more receptors less saturated than a smaller one? The saturation of receptors at a single central synapse by a quantum of neurotransmitter is the subject of much controversy. 2A required or allowed amount, especially an amount of money legally payable in damages. （尤指偿付损失的）定额，定量 the court must determine the quantum of compensation due Example sentencesExamples The other issue is the quantum of spousal support payable from the respondent to the applicant. It follows that the quantum of damages in private nuisance does not depend on the number of those enjoying the land in question. It would just be a case where an issue of liability has been determined; the quantum of the damage has not. Courriere denies the plaintiff's allegations and disputes the quantum of damages in his statement of defence. The precise quantum of the damages was a relatively minor point in this action and should not be difficult to resolve. Counsel for the Defendants denies liability and contests the quantum of damages. The authorities give judges no help in directing juries on the quantum of exemplary damages. That judgment reflected a reduction in the agreed quantum of damages suffered by the plaintiff. It points out at line 15 that the first matter to be determined on an application under the section is: the quantum of common law damages which would have been recoverable had they been sued for. The quantum of support requires a finding as to the income of the Respondent. How is the quantum of user damages to be assessed? Under Bill 164 the only issue is the quantum of general damages in light of his injuries. The agreement reached is akin to the kind of agreement frequently reached in litigation where a defendant accepts liability but not causation of damage nor the quantum of the loss claimed. The parties agreed the Minutes of Settlement would be filed with the court and that the court would be asked to stipulate, in any reasons for judgment, the agreement as to the quantum of damages. Counsel for the plaintiffs submits that the quantum of damages should be assessed in the amount of $20,000.00 for each of the plaintiffs. Assessing his prospects of success in those claims and the quantum of any damages requires many of the underlying issues to be tested or tried. If the plaintiff proved that he had lost a real or substantial chance as opposed to a speculative one the evaluation of that chance was part of the assessment of the quantum of damage. We also require details of the quantum of the claim including a breakdown of the elements of the costs and how they have been incurred. The dispute is as to the nature of the work that would be required to put the premises into that condition, and as to the quantum of the damage suffered by the claimant by reason of the breaches of those covenants. In effect, Dr. Rosen did not give a report on the quantum of damages suffered by the plaintiff. Synonyms amount, proportion, quantity, bulk, total, quota 2.1 A share or portion. 份额，部分 each man has only a quantum of compassion 每个人仅有一点怜悯之情。 Example sentencesExamples The quantum of storage allocated to the user must be increased or decreased as usage changes, and these real-locations must be transparent to the application. During the current year, the Zone's quantum of exports has grown 30 per cent to touch nearly Rs.225 crores. Its next best performance was in 1998 when the quantum of floodwater released touched a high of 10 lakh cusecs. If at all some relief is to be given to marginal farmers, the quantum of free power and/or the land holdings must be specified. ‘We expect to increase the quantum of shrimp exports in future,’ he said. Most of the residents of the area are now keen on setting up vermi compost and aerobic compost units on their premises, which reduce the quantum of garbage that is pushed out into the general pool of city waste. Acknowledgement represents the smallest quantum of human interaction. Haryana has a sense of grievance at the non-completion of the SYL canal and the consequent non-availability of the quantum of waters allocated to it. In the meanwhile, the quantum of water released to the Indira Gandhi Canal was also increased, he said. You would need to go the second step and, in addition, you would need to know the quantum of the shares. The quantum of interest rates we appear to be looking at I think is already factored into the market, " Hughes-Hallett said. In the same article he takes the definition of a ‘ration’ from the New Shorter Oxford Dictionary as a fixed quantum of health care per person. The quantum and the interest rate are not known, according to sources in the banking industry. In an obvious departure from Dickens these stores always included quanta of Americana. Synonyms portion, part, division, bit, quota, allowance, ration, allocation, allotment, lot, measure, due Origin Mid 16th century (in the general sense 'quantity'): from Latin, neuter of quantus (see quantity). Sense 1 dates from the early 20th century. Although you will often come across a sentence like ‘This product represents a quantum leap forward in telecommunications technology’, the curious thing about the term quantum leap is that, strictly speaking, it does not describe a large change at all, but a tiny one. Quantum comes from Latin quantus, ‘how big?’ or ‘how much?’, and originally meant ‘a quantity or amount’. In physics a quantum (a term introduced by the physicist Max Planck around 1900) is a very small amount of energy, the minimum amount of energy that can exist in a given situation, and a quantum jump is the abrupt change of an electron or atom from one energy state to another. Although this is a tiny jump in terms of size, it is an instantaneous and dramatic one, which explains why the term came into general usage from around 1970 to describe a sudden large increase or major advance. Quantity (Late Middle English) comes from the same root as quantum. Definition of quantum in US English: quantum nounˈkwän(t)əmˈkwɑn(t)əm 1Physics A discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents. 量子 Example sentencesExamples Electrons move from one orbital into another by absorbing or emitting a quantum of energy, just as Bohr explained. As they moved closer to the nucleus, the electrons would begin emitting their quanta of energy as light. This excess energy is emitted in quanta of electromagnetic radiation (photons of light) that have exactly same energy as the difference in energy between the orbits jumped by the electron. Bohr realized that the idea of a quantum of energy could explain how the electrons in the atom are arranged. To drop from a higher to a lower, it emitted a quantum of energy. 1.1 An analogous discrete amount of any other physical quantity, such as momentum or electric charge. （动量或电荷等物理值的）量子 Example sentencesExamples A second problem also led to a quantum theory of light, and this time to a belief in the physical reality of the quanta. Information refers primarily to facts, discrete quanta of information that can be transmitted through simple communication in relatively complete form and without loss of integrity. Light bullets are the quanta of the electromagnetic field and are known as photons. These symmetries tie together particles usually considered constituents of matter (like quarks and electrons) with the quanta of forces (like photons and gluons). The asymmetry of water and ozone molecules causes the moments of inertia that govern the quanta of rotational motion to be different in each spatial direction. 1.2Physiology The unit quantity of acetylcholine released at a neuromuscular junction by a single synaptic vesicle, contributing a discrete small voltage to the measured end-plate potential. 〔生理〕（乙酰胆碱释放的）单元量 Example sentencesExamples In the crayfish leg extensor preparation, the number of quanta released per action potential (quantal content) was approximately 15, at low frequencies of stimulation. Responses ensuing from the spontaneous release of single quanta are termed miniature excitatory junctional currents (mEJCs). A second result of significance is that the size of the quantum is the same for release and for stretch. What fraction of receptors are saturated following the release of a single quantum, and is a larger synapse, with more receptors less saturated than a smaller one? The saturation of receptors at a single central synapse by a quantum of neurotransmitter is the subject of much controversy. 2A required or allowed amount, especially an amount of money legally payable in damages. （尤指偿付损失的）定额，定量 Example sentencesExamples The agreement reached is akin to the kind of agreement frequently reached in litigation where a defendant accepts liability but not causation of damage nor the quantum of the loss claimed. The quantum of support requires a finding as to the income of the Respondent. The precise quantum of the damages was a relatively minor point in this action and should not be difficult to resolve. The authorities give judges no help in directing juries on the quantum of exemplary damages. Assessing his prospects of success in those claims and the quantum of any damages requires many of the underlying issues to be tested or tried. Courriere denies the plaintiff's allegations and disputes the quantum of damages in his statement of defence. In effect, Dr. Rosen did not give a report on the quantum of damages suffered by the plaintiff. Under Bill 164 the only issue is the quantum of general damages in light of his injuries. Counsel for the plaintiffs submits that the quantum of damages should be assessed in the amount of $20,000.00 for each of the plaintiffs. It would just be a case where an issue of liability has been determined; the quantum of the damage has not. We also require details of the quantum of the claim including a breakdown of the elements of the costs and how they have been incurred. The other issue is the quantum of spousal support payable from the respondent to the applicant. It follows that the quantum of damages in private nuisance does not depend on the number of those enjoying the land in question. Counsel for the Defendants denies liability and contests the quantum of damages. If the plaintiff proved that he had lost a real or substantial chance as opposed to a speculative one the evaluation of that chance was part of the assessment of the quantum of damage. That judgment reflected a reduction in the agreed quantum of damages suffered by the plaintiff. It points out at line 15 that the first matter to be determined on an application under the section is: the quantum of common law damages which would have been recoverable had they been sued for. The dispute is as to the nature of the work that would be required to put the premises into that condition, and as to the quantum of the damage suffered by the claimant by reason of the breaches of those covenants. How is the quantum of user damages to be assessed? The parties agreed the Minutes of Settlement would be filed with the court and that the court would be asked to stipulate, in any reasons for judgment, the agreement as to the quantum of damages. Synonyms amount, proportion, quantity, bulk, total, quota 2.1 A share or portion. 份额，部分 each man has only a quantum of compassion 每个人仅有一点怜悯之情。 Example sentencesExamples The quantum and the interest rate are not known, according to sources in the banking industry. Acknowledgement represents the smallest quantum of human interaction. ‘We expect to increase the quantum of shrimp exports in future,’ he said. The quantum of interest rates we appear to be looking at I think is already factored into the market, " Hughes-Hallett said. Its next best performance was in 1998 when the quantum of floodwater released touched a high of 10 lakh cusecs. In the same article he takes the definition of a ‘ration’ from the New Shorter Oxford Dictionary as a fixed quantum of health care per person. Most of the residents of the area are now keen on setting up vermi compost and aerobic compost units on their premises, which reduce the quantum of garbage that is pushed out into the general pool of city waste. In an obvious departure from Dickens these stores always included quanta of Americana. Haryana has a sense of grievance at the non-completion of the SYL canal and the consequent non-availability of the quantum of waters allocated to it. The quantum of storage allocated to the user must be increased or decreased as usage changes, and these real-locations must be transparent to the application. If at all some relief is to be given to marginal farmers, the quantum of free power and/or the land holdings must be specified. In the meanwhile, the quantum of water released to the Indira Gandhi Canal was also increased, he said. During the current year, the Zone's quantum of exports has grown 30 per cent to touch nearly Rs.225 crores. You would need to go the second step and, in addition, you would need to know the quantum of the shares. Synonyms portion, part, division, bit, quota, allowance, ration, allocation, allotment, lot, measure, due Origin Mid 16th century (in the general sense ‘quantity’): from Latin, neuter of quantus (see quantity). Sense 1 dates from the early 20th century.
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