protanopia
[ proht-n-oh-pee-uh ]
/ ˌproʊt nˈoʊ pi ə /
Save This Word!
noun Ophthalmology.
a defect of vision in which the retina fails to respond to red or green.
QUIZZES
QUIZ YOURSELF ON "WAS" VS. "WERE"!
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Meet Grammar Coach
Improve Your Writing
OTHER WORDS FROM protanopia
pro·ta·nop·ic [proht-n-op-ik], /ˌproʊt nˈɒp ɪk/, adjectiveWords nearby protanopia
protagonist, Protagoras, protamine, protandrous, protanomaly, protanopia, protasis, prote-, protea, protean, Proteas
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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
Derived forms of protanopia
protanopic (ˌprəʊtəˈnɒpɪk), adjectiveWord Origin for protanopia
C20: New Latin, from proto- + an- + -opia
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
Medical definitions for protanopia
protanopia
[ prō′tə-nō′pē-ə ]
n.
A form of colorblindness characterized by defective perception of red and confusion of red with green or bluish green.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.