V2EX abscise

Abscise

释义 Definition

(植物学)使(叶、花、果等)脱落;发生离层而脱落。常指植物在离层(abscission zone)形成后,自然或被诱导地把某一部分“断开并掉落”。(也可作不及物:自行脱落。)

发音 Pronunciation (IPA)

/bsaz/

词源 Etymology

来自拉丁语 abscindere(切掉、截断),由 *ab-*(离开)+ scindere(切、裂)构成。进入现代英语后多用于植物学语境,强调“在特定部位分离并脱落”的过程。

例句 Examples

The tree begins to abscise its leaves in autumn.
这棵树在秋天开始让叶子脱落。

Under drought stress, some plants abscise flowers and young fruits to conserve water and energy.
在干旱胁迫下,一些植物会脱落花朵和幼果,以节省水分和能量。

相关词 Related Words

文学与著作 Notable Works

  • Plant Physiology(Taiz & Zeiger):在植物激素与离层形成章节中常用 abscise/abscission 讨论叶片与果实脱落机制。
  • Biology(Campbell Biology):在植物生长与调节部分会用到 abscise 描述落叶与器官脱落的生理过程。
  • 学术期刊如 Plant PhysiologyThe Plant JournalJournal of Experimental Botany:相关论文中常出现 abscise 用于表述器官脱落现象与调控因素。
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