Meanings
adjectivesesquizygotic (comparative more sesquizygotic, superlative most sesquizygotic)
comparative more sesquizygotic · superlative most sesquizygotic
- Describing twins which are semi-identical, formed from one egg that is fertilized by two separate sperm.
Gabbett said that while there might be other, unreported, cases of sesquizygotic twins, it remains a very unusual phenomenon.
2019 February 27, Nicolas Davis, The GuardianSynonyms: sesquizygous
Synonyms & antonyms
adjectiveDescribing twins which are semi-identical, formed from one egg that is fertilized by two separate sperm.
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Also see
Origin
Translations
Danish enægget med to spermier
- enægget med to spermierresult of two sperm cells entering one embryo
Esperanto duonidenta
- duonidentaresult of two sperm cells entering one embryo
Polish seskwizygotyczny
- seskwizygotycznyresult of two sperm cells entering one embryo
Cite this entry
APA
sesquizygotic. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/sesquizygotic
MLA
“sesquizygotic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sesquizygotic. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “sesquizygotic,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/sesquizygotic.
Source: sesquizygotic on Wiktionary, CC BY-SA 4.0.