Protanopia Definition

prōtə-nōpē-ə
noun
A defect of color vision characterized by the inability to see red.
Webster's New World
Synonyms:
  • red-blindness

Other Word Forms of Protanopia

Noun

Singular:
protanopia
Plural:
protanopias

Origin of Protanopia

  • prot(o)– an– –opia (from the blindness to red, which is considered the first of the primary colors)

    From American Heritage Dictionary of the English Language, 5th Edition

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protanopia