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ENGLISH · A WORD WITH POSSIBILITIES

superfetation.

The formation of a fetus while another fetus is already present in the uterus.

13 characters5 syllables approx.English language

Meaning & usage

noun/suːpəfəˈteɪʃən/
  1. The formation of a fetus while another fetus is already present in the uterus.

    countable · uncountable
  2. An excessive accumulation; a superfluous addition.

    countable · uncountable
Where this word comes from

From Latin superfetare (“conceive while pregnant”), from super- + fetus.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.