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Definition of xanthism

xanthism

/ˈzæn.θɪ.zəm/
xan · thism
Adjective:xanthic
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xanthism Lexical Profile

xanthism Game Scores & Validity

• noun

1

A genetic condition or phenotype in animals characterized by an unusually yellow pigmentation, often caused by the absence of dark pigments (such as melanin) and the dominance or overproduction of yellow pigments.

Example

"The striking golden appearance of the captive snake was determined to be a rare case of xanthism."

Synonyms
View all synonyms for xanthism

Word Nuance & Usage

Often confused with albinism or leucism, xanthism specifically results in a prominent yellow or orange appearance due to an excess of yellow pigments or a deficiency in dark pigments.

• Nearby Words

xanax
xanten
xanthation
xanthism
xanthoceras
xanthochroia
xanthochroic

Word Origin & Etymology

Derived from the Greek word 'xanthos', meaning 'yellow', combined with the English suffix '-ism' denoting a state or condition. It entered scientific usage in the late 19th century.

Cite this Entry

Wordmom. (2026). Definition of Xanthism. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/xanthism
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