[tox.ic] adj [LL toxicus, fr. L toxicum poison, fr. Gk toxikon arrow poison, fr. neut. of toxikos of a bow, fr. toxon bow, arrow] (1664) 1: of, relating to, or caused by a poison or toxin
2: affected by a poison or toxin "~ pregnant women"
3: poisonous -- tox.ic.i.ty n
[2]toxic n (1890): a toxic substance