Punctum

[pʌŋktәm]

解释:

(noun.) (anatomy) a point or small area.

校对:梅勒妮--From WordNet

解释:

(n.) A point.

校对:斯宾塞

解释:

n. (anat.) a point dot.—adjs. Punc′tūlate -d.—ns. Punctūlā′tion; Punc′tūle; Punc′tūlum.—Punctum c鎐um the point of the retina from which the optic nerve fibres radiate so called because impervious to light.

整理:纳撒尼尔