V2EX photophilic

Photophilic

Definition|释义

photophilic(形容词):喜光的、趋光的;指(植物、微生物等)偏好强光或在高光照条件下生长更好的特性。(也常用于生态学、微生物学语境;相对词为 photophobic “畏光的”。)

Pronunciation|发音

/fotoflk/ (美)
/ftflk/ (英)

Examples|例句

Many algae are photophilic and grow fastest near the water’s surface.
许多藻类是喜光的,在靠近水面的地方生长最快。

In the experiment, the researchers compared photophilic bacteria with photophobic strains to see how light intensity affected gene expression.
在实验中,研究人员将喜光细菌与畏光菌株进行比较,以观察光照强度如何影响基因表达。

Etymology|词源

photo-(“光”,源自希腊语 *phōs / phot-*)+ -philic(“喜爱……的”,源自希腊语 philos “爱、友好”)构成,字面意思就是“爱光的”。同一词根也见于 hydrophilic(亲水的)、aerophilic(喜氧的)等。

Related Words|相关词

Literary Works|文学作品

该词更常见于科学写作而非小说诗歌,尤其在讨论微生物、藻类、生态位与光适应时出现;常见载体包括:

  • 微生物学与系统分类学参考书(如 Bergey’s Manual 这类手册中关于光偏好菌的描述)
  • 生态学/海洋生物学教材与专著(讨论“喜光生物”“光照梯度”时)
  • 生物学与环境科学期刊论文(在实验设计与结果部分用来对比 photophilic 与 photophobic/low-light-adapted 类群)
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