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单词 photic
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pho•tic  (fō′tik),USA pronunciation adj. 
  1. Opticsof or pertaining to light.
  2. pertaining to the generation of light by organisms, or their excitation by means of light.
  • Greek phōt- (see phot) + -ic
  • 1835–45

Collins Concise English Dictionary © HarperCollins Publishers::
photic /ˈfəʊtɪk/ adj
  1. of or concerned with light

  2. Also: photobathic designating the zone of the sea where photosynthesis takes place
Etymology: 19th Century: from photo- + -ic
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更新时间：2025/2/23 13:28:52