[ an-tee-ven-uhm, an-tahy- ]

  1. an antitoxin present in the blood of an animal following repeated injections of venom.

  2. the antitoxic serum obtained from such blood.

Origin of antivenom

First recorded in 1890–95; earlier antiven(ene) (anti- + venene), from Latin venēnum “potion, poison” (see venom) + -in2
  • Also an·ti·ven·in [an-tee-ven-in, an-tahy-] /ˌæn tiˈvɛn ɪn, ˌæn taɪ-/ .

Words Nearby antivenom Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use antivenom in a sentence