Search Result for "biological agent":
Wordnet 3.0

NOUN (1)

1. any bacterium or virus or toxin that could be used in biological warfare;
[syn: biological agent, biohazard]



WordNet (r) 3.0 (2006):

biological agent
    n 1: any bacterium or virus or toxin that could be used in
         biological warfare [syn: biological agent, biohazard]