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单词 opsin
释义

WordReference Random House Unabridged Dictionary of American English © 2024
op•sin  (opsin),USA pronunciation n. [Biochem.]
  1. Biochemistryany of several compounds that form the protein component of the light-sensitive retina pigment, rhodopsin.
  • probably back formation from rhodopsin 1950–55

Collins Concise English Dictionary © HarperCollins Publishers::
opsin /ˈɒpsɪn/ n
  1. the protein that together with retinene makes up the purple visual pigment rhodopsin
Etymology: 20th Century: back formation from rhodopsin
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