'Toxicant' definitions:
Definition of 'toxicant'
From: WordNet
adjective
Having the qualities or effects of a poison [syn: poisonous, toxicant]
noun
Any substance that causes injury or illness or death of a living organism [syn: poison, toxicant, poisonous substance]
Definition of 'Toxicant'
From: GCIDE
- Toxicant \Tox"i*cant\, n. A poisonous agent or drug, as opium; an intoxicant. [1913 Webster]