Standard Lemma guide

superfecundation

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˌsupəɹˌfikənˈdeɪʃən/
  • /ˌsupəɹˌfɛkənˈdeɪʃən/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

the fertilisation of two or more ova by sperm from separate acts of sexual intercourse, which can lead to twins with different fathers

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

fertilization of two or more ova released during the same menstrual cycle by sperm from separate acts of coitus (especially by different males)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: fertilization, fertilisation, fecundation, impregnation

History

Etymology

Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Italic *super Latin super Latin super-lbor. English super- English fecund Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English fecundation English superfecundation From super- + fecundation.