protanopia
[ proht-n-oh-pee-uh ]
nounOphthalmology.
a defect of vision in which the retina fails to respond to red or green.
Origin of protanopia
1Other words from protanopia
- pro·ta·nop·ic [proht-n-op-ik], /ˌproʊt nˈɒp ɪk/, adjective
Words Nearby protanopia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for protanopia
protanopia
/ (ˌprəʊtəˈnəʊpɪə) /
noun
a form of colour blindness characterized by a tendency to confuse reds and greens and by a loss of sensitivity to red light
Origin of protanopia
1C20: New Latin, from proto- + an- + -opia
Derived forms of protanopia
- protanopic (ˌprəʊtəˈnɒpɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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