aphotic
英 [eɪ'fəʊtɪk]
美[e'fotɪk]
- adj. 无光的
英英释义
- 1. lacking light; especially not reached by sunlight;
- "the aphotic depths of the sea where no photosynthesis occurs"
英文词源
- aphotic (adj.)
- "untouched by sunlight, lightless" (in reference to deep-sea regions), 1903, Modern Latin, from Greek a- "not, without" (see a- (3)) + phos (genitive photos) "light," related to phainein "to show, to bring to light" (see phantasm) + -ic. Aphotic zone is recorded from 1913.