V2EX etiolation

Etiolation

释义 Definition

徒长;黄化(植物学):植物在缺乏光照条件下生长时,常出现茎细长、叶片发黄、组织柔弱等现象。也可引申指事物因缺乏“滋养/环境”而变得无力、苍白(较少见)。

发音 Pronunciation

/itilen/

例句 Examples

Plants kept in a dark room may show etiolation.
放在黑暗房间里的植物可能会出现徒长(黄化)。

The seedlings’ etiolation, caused by weeks without sufficient sunlight, made them too weak to survive transplantation.
这些幼苗因连续数周日照不足而黄化徒长,导致它们虚弱到无法承受移栽。

词源 Etymology

etiolation 来自法语 étioler(使变白、使变黄;使变得细弱),与“变白/失去正常颜色”相关;后进入科学语境,特指植物在缺光条件下出现的黄化与徒长现象。

相关词 Related Words

文学作品 Literary Works

  • 查尔斯达尔文(Charles Darwin)《The Power of Movement in Plants》(1880):讨论光照与植物生长反应的科学语境中常涉及黄化/徒长现象。
  • 丹尼尔沃舍尔(Daniel B. Wardlaw)《Plant Organization: A Theory of Growth and Development》(1965):植物生长与发育研究中使用该术语。
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