triple X syndrome

noun

A form of chromosomal variation characterized by the presence of an extra X chromosome in each cell of a human female, sometimes leading to tall stature, learning disabilities, and/or epicanthic folds.

Similar
trisomy Xtriple X
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Meanings

nountriple X syndrome (uncountable)
  1. uncountableA form of chromosomal variation characterized by the presence of an extra X chromosome in each cell of a human female, sometimes leading to tall stature, learning disabilities, and/or epicanthic folds.

    Synonyms: trisomy X, triple X

Synonyms & antonyms

nounA form of chromosomal variation characterized by the presence of an extra X chromosome in each cell of a human female, sometimes leading to tall stature, learning disabilities, and/or epicanthic folds.

Similar
trisomy Xtriple X
Also see
trisomy xxxx
Cite this entry
APA

triple X syndrome. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/triple%20X%20syndrome

MLA

“triple X syndrome.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/triple%20X%20syndrome. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “triple X syndrome,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/triple%20X%20syndrome.

Source: triple X syndrome on Wiktionary, CC BY-SA 4.0.