Definition of substratum in English:

substratum

nounPlural substrata sʌbˈstrɑːtəmsʌbˈstreɪtəm

1An underlying layer or substance, in particular a layer of rock or soil beneath the surface of the ground.
底层，下层（尤指地表下的一层岩石或土）
the plant will grow very rapidly and send out runners above the substratum
a geological substratum
whole substrata of society
Example sentencesExamples
- Deep drilling in the southern Tyrrhenian Sea floor revealed a continental and oceanic substratum covered by upper Miocene and younger sedimentary successions.
- In recent habitats, Lyreidus does not inhabit shallow, inshore environments but, instead, is found in outer shelf and slope environments, generally on soft substrata.
- Paleocene fossil outcrops abound in the glauconite rich gray clay substrata of the creek banks exposed beneath the deep rich surface soils.
- The acoustic facies of its substratum has neither the characteristics of the continental crust nor those of the oceanic crust.
- For example, barnacles maintain a relatively large proportion of their total surface area in contact with the underlying substratum, and display body temperatures that are tightly coupled with ground temperature.
1. 1.1 A foundation or basis of something.
  基础；根据
  there is a broad substratum of truth in her story
  这其中有广泛的事实做基础。
  Example sentencesExamples
  The idea that Aboriginal culture is essentially unchanging and thus ‘the oldest in the world’ appeals to many Australians, and presumably strengthens the substratum of support for native title, as well as the Aboriginal art market.
  His materials and settings are drawn from the substratum of his experience as a curator, trained in taxidermy, active in the conservation of paintings and the handling of fossils, fascinated by animal maquettes and mediaeval weapons.
  If there is a substratum underlying this trust it is that of a property trust in which units are issued to the public.
  They constitute the ideological substratum of the party and are not merely tactical considerations to wean away separatist support structures in the Valley as the Government of India tends to believe.
  They are part of the range of institutions that have been the substratum of Scottish distinctiveness within the UK.
  Synonyms
  foot, lowest part, lowest point, base, extremity

Origin

Mid 17th century: modern Latin, neuter past participle (used as a noun) of Latin substernere, from sub- 'below' + sternere 'strew'. Compare with stratum.

Definition of substratum in US English:

substratum

noun

1An underlying layer or substance, in particular a layer of rock or soil beneath the surface of the ground.
底层，下层（尤指地表下的一层岩石或土）
Example sentencesExamples
- Paleocene fossil outcrops abound in the glauconite rich gray clay substrata of the creek banks exposed beneath the deep rich surface soils.
- For example, barnacles maintain a relatively large proportion of their total surface area in contact with the underlying substratum, and display body temperatures that are tightly coupled with ground temperature.
- Deep drilling in the southern Tyrrhenian Sea floor revealed a continental and oceanic substratum covered by upper Miocene and younger sedimentary successions.
- In recent habitats, Lyreidus does not inhabit shallow, inshore environments but, instead, is found in outer shelf and slope environments, generally on soft substrata.
- The acoustic facies of its substratum has neither the characteristics of the continental crust nor those of the oceanic crust.
1. 1.1 A foundation or basis of something.
  基础；根据
  there is a broad substratum of truth in it
  这其中有广泛的事实做基础。
  Example sentencesExamples
  His materials and settings are drawn from the substratum of his experience as a curator, trained in taxidermy, active in the conservation of paintings and the handling of fossils, fascinated by animal maquettes and mediaeval weapons.
  They are part of the range of institutions that have been the substratum of Scottish distinctiveness within the UK.
  If there is a substratum underlying this trust it is that of a property trust in which units are issued to the public.
  They constitute the ideological substratum of the party and are not merely tactical considerations to wean away separatist support structures in the Valley as the Government of India tends to believe.
  The idea that Aboriginal culture is essentially unchanging and thus ‘the oldest in the world’ appeals to many Australians, and presumably strengthens the substratum of support for native title, as well as the Aboriginal art market.
  Synonyms
  foot, lowest part, lowest point, base, extremity

Origin

Mid 17th century: modern Latin, neuter past participle (used as a noun) of Latin substernere, from sub- ‘below’ + sternere ‘strew’. Compare with stratum.

单词	substratum
释义	Definition of substratum in English: substratum nounPlural substrata sʌbˈstrɑːtəmsʌbˈstreɪtəm 1An underlying layer or substance, in particular a layer of rock or soil beneath the surface of the ground. 底层，下层（尤指地表下的一层岩石或土） the plant will grow very rapidly and send out runners above the substratum a geological substratum whole substrata of society Example sentencesExamples Deep drilling in the southern Tyrrhenian Sea floor revealed a continental and oceanic substratum covered by upper Miocene and younger sedimentary successions. In recent habitats, Lyreidus does not inhabit shallow, inshore environments but, instead, is found in outer shelf and slope environments, generally on soft substrata. Paleocene fossil outcrops abound in the glauconite rich gray clay substrata of the creek banks exposed beneath the deep rich surface soils. The acoustic facies of its substratum has neither the characteristics of the continental crust nor those of the oceanic crust. For example, barnacles maintain a relatively large proportion of their total surface area in contact with the underlying substratum, and display body temperatures that are tightly coupled with ground temperature. 1.1 A foundation or basis of something. 基础；根据 there is a broad substratum of truth in her story 这其中有广泛的事实做基础。 Example sentencesExamples The idea that Aboriginal culture is essentially unchanging and thus ‘the oldest in the world’ appeals to many Australians, and presumably strengthens the substratum of support for native title, as well as the Aboriginal art market. His materials and settings are drawn from the substratum of his experience as a curator, trained in taxidermy, active in the conservation of paintings and the handling of fossils, fascinated by animal maquettes and mediaeval weapons. If there is a substratum underlying this trust it is that of a property trust in which units are issued to the public. They constitute the ideological substratum of the party and are not merely tactical considerations to wean away separatist support structures in the Valley as the Government of India tends to believe. They are part of the range of institutions that have been the substratum of Scottish distinctiveness within the UK. Synonyms foot, lowest part, lowest point, base, extremity Origin Mid 17th century: modern Latin, neuter past participle (used as a noun) of Latin substernere, from sub- 'below' + sternere 'strew'. Compare with stratum. Definition of substratum in US English: substratum noun 1An underlying layer or substance, in particular a layer of rock or soil beneath the surface of the ground. 底层，下层（尤指地表下的一层岩石或土） Example sentencesExamples Paleocene fossil outcrops abound in the glauconite rich gray clay substrata of the creek banks exposed beneath the deep rich surface soils. For example, barnacles maintain a relatively large proportion of their total surface area in contact with the underlying substratum, and display body temperatures that are tightly coupled with ground temperature. Deep drilling in the southern Tyrrhenian Sea floor revealed a continental and oceanic substratum covered by upper Miocene and younger sedimentary successions. In recent habitats, Lyreidus does not inhabit shallow, inshore environments but, instead, is found in outer shelf and slope environments, generally on soft substrata. The acoustic facies of its substratum has neither the characteristics of the continental crust nor those of the oceanic crust. 1.1 A foundation or basis of something. 基础；根据 there is a broad substratum of truth in it 这其中有广泛的事实做基础。 Example sentencesExamples His materials and settings are drawn from the substratum of his experience as a curator, trained in taxidermy, active in the conservation of paintings and the handling of fossils, fascinated by animal maquettes and mediaeval weapons. They are part of the range of institutions that have been the substratum of Scottish distinctiveness within the UK. If there is a substratum underlying this trust it is that of a property trust in which units are issued to the public. They constitute the ideological substratum of the party and are not merely tactical considerations to wean away separatist support structures in the Valley as the Government of India tends to believe. The idea that Aboriginal culture is essentially unchanging and thus ‘the oldest in the world’ appeals to many Australians, and presumably strengthens the substratum of support for native title, as well as the Aboriginal art market. Synonyms foot, lowest part, lowest point, base, extremity Origin Mid 17th century: modern Latin, neuter past participle (used as a noun) of Latin substernere, from sub- ‘below’ + sternere ‘strew’. Compare with stratum.
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