noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   the fertilisation of two or more ova by sperm from separate acts of sexual intercourse, which can lead to twins with different fathers uncountable, usually
2. 2
   fertilization of two or more ova released during the same menstrual cycle by sperm from separate acts of coitus (especially by different males) wordnet

Etymology

From super- + fecundation.

Related phrases

sexual intercourse

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.