porphyropsin

noun

por·​phy·​rop·​sin ˌpȯr-fə-ˈräp-sən How to pronounce porphyropsin (audio)
: a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin

Word History

Etymology

Greek porphyra purple + English -opsin (as in rhodopsin)

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of porphyropsin was in 1930

Dictionary Entries Near porphyropsin

porphyroid

porphyropsin

porphyrous

See More Nearby Entries 

Cite this Entry

“Porphyropsin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/porphyropsin. Accessed 19 Nov. 2024.

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Medical Definition

porphyropsin

noun
por·​phy·​rop·​sin ˌpȯr-fə-ˈräp-sən How to pronounce porphyropsin (audio)
: a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin

More from Merriam-Webster on porphyropsin

Britannica.com: Encyclopedia article about porphyropsin

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