a. [f. as prec. + -AL: see -ICAL.] Of toxic nature or character.
1607. Topsell, Four-f. Beasts (1658), 199. Goats bloud sod with marrow may be taken against all toxical poison.
1650. Charleton, Paradoxes, 65. Why the blood of a Bull is toxicall and poysonous.
1855. Wharton & Stillé, Med. Jurispr., § 496. 378. The dose may be gradually increased without the production of toxical effects.
1863. N. Syd. Soc. Year-bk. Med., 444. Symptoms of the toxical action of the drug.
1884. Manch. Exam., 29 Dec., 6/5. Tobacco smoke … contains a second toxical principle called colidine.
Hence Toxically adv., poisonously; in quot., in relation to toxicology.
1887. A. M. Brown, Anim. Alkaloids, 39. This base is toxically interesting.
