venation

/viːˈneɪ.ʃən/ (bre, ipa) · /viːˈneɪ.ʃən/ (ame, ipa) · /ve-ˈnā-shən vē-/ (ame, mw)

venation — noun

1. the particular way that the thin, branching lines (veins) are arranged on a leaf

1.名詞C1
釋義

the particular way that the thin, branching lines (veins) are arranged on a leaf or across an insect's wing, forming a support structure that also carries water and nutrients through the plant

例句

Our biology teacher showed us leaf venation under a microscope to explain water flow.

venation in plant biology education

By studying its venation, Liang recognized the oak leaf came from a red oak.

venation for leaf identification

同義詞
  • vein pattern

    everyday, non-technical equivalent; preferred in casual speech

  • nervation

    alternative technical term, more common in entomology for insect wings

  • vein arrangement

    descriptive paraphrase, less precise than 'venation'

文法句型

venation + of + noun phrase

用法筆記

This is a technical term used mainly in botany (for leaves) and entomology (for insect wings). In everyday conversation, most speakers would say 'vein pattern' instead. The word is always uncountable.

常見錯誤

❌The leaf has an interesting vein arrangement.
✅The leaf has an interesting venation.
💡'venation' is the specific academic term for the vein pattern as a whole; 'vein arrangement' is a non-technical paraphrase.
❌The venations of this leaf are very clear.
✅The venation of this leaf is very clear.
💡'venation' is uncountable and does not take a plural form.