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protanomaly

American

[proht-n-om-uh-lee] / ˌproʊt nˈɒm ə li /

noun

Ophthalmology.

a defect of vision characterized by a diminished response of the retina to red.

Other Word Forms

protanomalous adjective

Etymology

Origin of protanomaly

First recorded in 1935–40; prot- + anomaly

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.