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opsin

[ op-sin ]

noun

, Biochemistry.
  1. any of several compounds that form the protein component of the light-sensitive retina pigment, rhodopsin.

opsin

/ ˈɒpsɪn /

noun

  1. the protein that together with retinene makes up the purple visual pigment rhodopsin

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Word History and Origins

Origin of opsin1

First recorded in 1950–55; probably back formation from rhodopsin

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Word History and Origins

Origin of opsin1

C20: back formation from rhodopsin

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