antigeny

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English

Etymology

From ἀντί (antí, against, opposite) + γένος (génos, sex, stock, race).

Noun

antigeny (uncountable)

  1. (biology, obsolete) Sexual dimorphism, especially in lepidopterans.
    • 1877, Samuel Hubbard Scudder, Antigeny, Or Sexual Dimorphism in Butterflies, page 151:
      It is a curious circumstance that, while albinic antigeny finds its most complete expression in high temperate regions, and melanic antigeny prevails toward the tropics, the albinic females of a partially antigenic species never appear in the spring brood, but increase in numbers throughout the hot season []

Derived terms