XX

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See also: xx and x x

Translingual[edit]

Etymology 1[edit]

Numeral[edit]

XX

  1. A Roman numeral representing the number 20.
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Etymology 2[edit]

From X chromosome.

Adjective[edit]

XX

  1. (biology) Having a female configuration of chromosomes as per the XY system.
    • 2001, Kenneth L. Becker (ed), Principles and Practice of Endocrinology and Metabolism, ISBN 0781717507, page 857:
      An autosomal recessive gene causes gonadal dysgenesis in XX individuals, and several distinct entities have been identified.
    • 2007, Fima Lifshitz (ed), Pediatric Endocrinology, Volume 2, ISBN 1420055232, page 358:
      If a Y chromosome is present in an XX-karyotyped individual, gonadal removal is necessary due to the risk of gonadoblastoma.
    • 2009, Gerald N. Callahan, Between XX and XY: Intersexuality and the Myth of Two Sexes, ISBN 1556527853, page 30:
      The group at John Hopkins, as well as many others, dropped the "true sex" policy (such as XX or XY) and adopted the "optimal gender" policy for assigning sex to sexually ambiguous children.
  2. (biology) Synonym of ZZ (having a male configuration of chromosomes as per the ZW system)
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Etymology 3[edit]

Adjective[edit]

  • (clothing) Extra large, a garment size

Synonyms[edit]