Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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No pronunciation record was provided for this word.
noun
The quality of having two independent channels for conveying color information in the eye.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: dichromatism, dichromatopsia, dichromia, dichromasy
Antonyms: none provided
Broader terms: color blindness, colour blindness, color vision deficiency, colour vision deficiency
Narrower terms: red-green dichromacy, red-green color blindness, red-green colour blindness, yellow-blue dichromacy, yellow-blue color blindness
History
di- + Ancient Greek χρῶμα (khrôma, “color”).
