Definition of polyspermic in US English:

polyspermic

adjective

Biology
  • Involving or exhibiting polyspermy.

Origin

Late 19th century; earliest use found in John S. Billings (1838–1913). From polyspermy + -ic, probably after German polysperm.

Pronunciation

polyspermic

/ˌpɒlɪˈspəːmɪk/