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

Cite this Entry

“Porphyropsin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/porphyropsin. Accessed 14 Jun. 2024.

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

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