a. and sb. rare. [f. pr. pple. of med.L. toxicāre to poison: see -ANT.] a. adj. Acting as a poison; poisonous, toxic. b. sb. A poisonous substance, a poison.
1882. Ogilvie (Annandale), Toxicant,… a poison of a stimulating, narcotic, anæsthetic nature, especially such as seriously affects the health when habitually indulged in. Dr. Richardson.
1891. Cent. Dict., Toxicant adj.
1892. Illustr. Lond. News, 13 Aug., 211/3. Coffee (that favourite vehicle of the deadlier toxicants in the East).
