sesquizygotic

English

Etymology

From sesqui- +‎ zygotic.

Pronunciation
  • Audio (UK)(file)

Adjective

sesquizygotic (comparative more sesquizygotic, superlative most sesquizygotic)

  1. Describing twins which are "semi-identical", formed from one egg fertilised by two separate sperm.
    • 2019 February 27, Nicolas Davis, The Guardian‎:
      Gabbett said that while there might be other, unreported, cases of sesquizygotic twins, it remains a very unusual phenomenon.
  2. Describing twins which are semi-identical, formed from a split egg, where the major egg body and minor polar body are each fertilized by separate sperm.

Synonyms

Coordinate terms
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