Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A form of colorblindness characterized by insensitivity to green.
Century Dictionary and Cyclopedia
- n. In psychophysics, a form of red-green colorblindness; the so-called green-blindness.
Wiktionary
- n. A form of color blindness. Involves a defect in distinguishing between red and green.
WordNet 3.0
- n. dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red
Etymologies
- deuter(o)- + Greek anōpiā, blindness (an-, not; see a-1 + -ōpiā, -opia), so called because green is considered the second of the primary colors. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“The regular color blindness tests (Ishikawa plates) test primarily for red-green (protanopia and deuteranopia), and not for tritanopia.”
“I dunno .. if you look at the protanopia and deuteranopia pics on the wiki page for”
Lists
These user-created lists contain the word ‘deuteranopia’.
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250 Further Spelling Words
Another compilation of spelling words suitable for intermediate to advanced spellers.
venturi, aesir, affenpinscher, rottweiler, amanuensis, balletomane, hansard, sangfroid, yukata, capriccio, cuisse, heriot and 237 more...
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See, The Eyes Have It
List of words (or phrases) containing eye-, -eye-, or -eye. Beginning with red-eye and eyebright.
I've since begun adding other more oblique terms that lack the string -eye-, but that...red-eye, eyebright, arguw-eye, bigeye, bird's-eye, buckeye, blarneyed, wheyey, eyebrow, eyecup, eyedropper, eyeful and 296 more...
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logos's list
A poor pathetic thing, but mine own.
invidious, lugubriousness, vilify, noisome, synastry, front and center, declension, conjugation, regnal, diphthong, circumlocution, bishopric and 141 more...
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-opia
denoting a visual disorder
myopia, presbyopia, diplopia, ametropia, anisometropia, asthenopia, deuteranopia, hyperopia, protanopia, tritanopia
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Words I Learned on FreeRice.com
A place for me to keep all these weird words, whether I guessed them correctly or not.
pennoncel, serval, tautological, redact, ganef, candent, shaitan, bifid, osteal, ensiform, helve, ecdysis and 100 more...
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2008 Wordlist
Hopefully, I'll be using this site for more than one year. It will be fun then to look back and see what new words I found worthy of notice in any given year.
All words spotted in 2008...longanimity, permalancer, breeder, biodegradable, handicapable, gender-neutral, translator, interpreter, translation, interpreting, kleptocracy, fanfiction and 1598 more...
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rememberers
prolix, ageusia, animadversion, anodyne, antic, arabesque, beadle, brachymetropia, colophon, desquamation, diaphoresis, diegesis and 3251 more...
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June 2011
revivify, assimilability, trichotillomania, thalassocracy, prodrome, watteau, keelhaul, maelstrom, glossolalia, ethereal, turophile, piccalilli and 44 more...
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prakash's Words
omphaloskepsis, eleemosynary, pogonotomy, pogonotrophy, zenzizenzizenzic, cerumen, abiogenesis, zymurgy, syzygy, deuteranopia, agathokakological, vomitorium and 28 more...
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Odessa's Words
defenestration, decathect, effulgent, taciturn, ataraxia, coprophagous, nyctitropic, pernicious, paradox, anachronism, synesthesia, cacophony and 223 more...
Tweets
Looking for tweets for deuteranopia.

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