venation
/viːˈneɪ.ʃən/ (bre, ipa) · /viːˈneɪ.ʃən/ (ame, ipa) · /ve-ˈnā-shən vē-/ (ame, mw)
venation — 名詞
1. the particular way that the thin, branching lines (veins) are arranged on a leaf
脈序
葉片或蟲翅脈紋的排列方式
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
Our biology teacher showed us leaf venation under a microscope to explain water flow.
我們的生物老師用顯微鏡展示葉子的脈序,藉此說明水分的流動方式。
venation in plant biology education
By studying its venation, Liang recognized the oak leaf came from a red oak.
Liang 仔細研究脈序後,認出那片橡樹葉來自紅橡木。
venation for leaf identification
Beatriz noticed that the venation on the butterfly's wing formed a beautiful repeating pattern.
Beatriz 發現蝴蝶翅膀上的脈序構成了美麗的重複圖案。
The venation of this fossil leaf is so clear that scientists can identify its species.
這片化石葉片的脈序非常清晰,科學家可以據此鑑定植物的種類。
Vikram compared the venation of two different maple leaves under a bright desk lamp.
Vikram 把兩片不同楓葉的脈序放在明亮的桌燈下仔細比較。
- 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.