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protanopia

 
Dictionary: pro·ta·no·pi·a   (prō'tə-nō'pē-ə) pronunciation
n.
A form of colorblindness characterized by defective perception of red and confusion of red with green or bluish green.

[PROT(O)- + AN- + -OPIA (from the blindness to red, which is considered the first of the primary colors).]

protanopic pro'ta·nop'ic (-nŏp'ĭk) adj.

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Medical Dictionary: pro·ta·no·pi·a
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(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.

WordNet: protanopia
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Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue
  Synonym: red-blindness


 
 
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blindness, color, blue-yellow
blindness, color, red-green
Color Blindness

Protanopia is a severe type of color blindness in which you cannot see what color? Read answer...

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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company Read more
WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.  Read more