Definition of punctum in English:

punctum

nounPlural puncta ˈpʌŋ(k)təmˈpəNGktəm

technical

1A small, distinct point.
〈技〉明显的小点
Example sentencesExamples
- In view of the history of recurring meningitis, search of the child's skin then showed a small punctum in the back of the neck.
- Barthes writes, ‘However lightning-like it may be, the punctum has, more or less potentially, a power of expansion.’
- For Barthes, the catastrophe is unavoidable because time obliterates the punctum, or small space, registered in the photograph.
1. 1.1Anatomy The opening of a tear duct.
  〔剖〕泪管口，泪点
  Example sentencesExamples
  In severe cases, occlusion of the lacrimal drainage puncta or tarsorrhaphy will be necessary.
  This serves to elevate the lower lid and reposition the lacrimal punctum with significant improvement in tear drainage and distribution.
  This incision is made on the medial aspect of the puncta and anterior to the lacrimal duct probes.
  Goins explained that each eyelid has one punctum, a tiny opening that drains tears away from the eye.
  They drain out of the eyes through two ducts called punctum or lacrimal ducts, one on each of the upper and lower lids.

Origin

Late 16th century (figuratively, denoting a point): from Latin, literally 'a point'.

Definition of punctum in US English:

punctum

nounˈpəNGktəm

technical

1A small, distinct point.
〈技〉明显的小点
Example sentencesExamples
- Barthes writes, ‘However lightning-like it may be, the punctum has, more or less potentially, a power of expansion.’
- For Barthes, the catastrophe is unavoidable because time obliterates the punctum, or small space, registered in the photograph.
- In view of the history of recurring meningitis, search of the child's skin then showed a small punctum in the back of the neck.
1. 1.1Anatomy The opening of a tear duct.
  〔剖〕泪管口，泪点
  Example sentencesExamples
  In severe cases, occlusion of the lacrimal drainage puncta or tarsorrhaphy will be necessary.
  Goins explained that each eyelid has one punctum, a tiny opening that drains tears away from the eye.
  They drain out of the eyes through two ducts called punctum or lacrimal ducts, one on each of the upper and lower lids.
  This serves to elevate the lower lid and reposition the lacrimal punctum with significant improvement in tear drainage and distribution.
  This incision is made on the medial aspect of the puncta and anterior to the lacrimal duct probes.

Origin

Late 16th century (figuratively, denoting a point): from Latin, literally ‘a point’.

单词	punctum
释义	Definition of punctum in English: punctum nounPlural puncta ˈpʌŋ(k)təmˈpəNGktəm technical 1A small, distinct point. 〈技〉明显的小点 Example sentencesExamples In view of the history of recurring meningitis, search of the child's skin then showed a small punctum in the back of the neck. Barthes writes, ‘However lightning-like it may be, the punctum has, more or less potentially, a power of expansion.’ For Barthes, the catastrophe is unavoidable because time obliterates the punctum, or small space, registered in the photograph. 1.1Anatomy The opening of a tear duct. 〔剖〕泪管口，泪点 Example sentencesExamples In severe cases, occlusion of the lacrimal drainage puncta or tarsorrhaphy will be necessary. This serves to elevate the lower lid and reposition the lacrimal punctum with significant improvement in tear drainage and distribution. This incision is made on the medial aspect of the puncta and anterior to the lacrimal duct probes. Goins explained that each eyelid has one punctum, a tiny opening that drains tears away from the eye. They drain out of the eyes through two ducts called punctum or lacrimal ducts, one on each of the upper and lower lids. Origin Late 16th century (figuratively, denoting a point): from Latin, literally 'a point'. Definition of punctum in US English: punctum nounˈpəNGktəm technical 1A small, distinct point. 〈技〉明显的小点 Example sentencesExamples Barthes writes, ‘However lightning-like it may be, the punctum has, more or less potentially, a power of expansion.’ For Barthes, the catastrophe is unavoidable because time obliterates the punctum, or small space, registered in the photograph. In view of the history of recurring meningitis, search of the child's skin then showed a small punctum in the back of the neck. 1.1Anatomy The opening of a tear duct. 〔剖〕泪管口，泪点 Example sentencesExamples In severe cases, occlusion of the lacrimal drainage puncta or tarsorrhaphy will be necessary. Goins explained that each eyelid has one punctum, a tiny opening that drains tears away from the eye. They drain out of the eyes through two ducts called punctum or lacrimal ducts, one on each of the upper and lower lids. This serves to elevate the lower lid and reposition the lacrimal punctum with significant improvement in tear drainage and distribution. This incision is made on the medial aspect of the puncta and anterior to the lacrimal duct probes. Origin Late 16th century (figuratively, denoting a point): from Latin, literally ‘a point’.
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