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Examples of opsin in a Sentence
Word History
from -opsin (in porphyropsin and rhodopsin)
Note: Term introduced by the American physiologist George Wald (1906-97) in "The Chemistry of Rod Vision," Science, vol. 113, issue 2933, March 16, 1951, p. 287: "Rhodopsin and porphyropsin are carotenoid-proteins—proteins bearing carotenoid prosthetic groups to which they owe their color and sensitivity to light. Each of these pigments possesses a single type of prosthetic group. The protein probably varies from one animal to another; it may be called opsin, and named for the animal of origin."
1951, in the meaning defined above
Dictionary Entries Near opsin
Cite this Entry
“Opsin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/opsin. Accessed 13 Dec. 2024.
Medical Definition
opsin
nounMore from Merriam-Webster on opsin
Britannica.com: Encyclopedia article about opsin
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