a. and sb. [ad. L. excitant-em, pr. pple. of excitāre: see EXCITE. Cf. Fr. excitant.]
A. adj. That rouses, excites or stimulates; exciting, stimulating. Cf. EXCITE, senses 1, 4, 6.
1607. R. Crackenthorp, Serm. (1608), 11. Gods grace, in our conversion, is not onely an excitant but a viuificant grace.
1661. Bp. Nicholson, Exp. Catech. (1678), 60. The Donation of Heavenly Grace excitant, adjuvant, or co-operant.
1773. Nooth, in Phil. Trans., LXIII. 337. Cushions covered with silk , are much more powerfully excitant.
1801. Med. Jrnl., V. 471. The excitant powers of the fixed alkali were not at all, or very little known.
1860. Mayne, Exp. Lex., Excitant, raising up; exciting; provoking; stimulating.
B. sb. An agent that excites (organs or tissues) to increased vital activity; a stimulant. Also, an agent for inducing electrical action.
1833. Coleridge, Table-t., 2 Sept. The English affect stimulant nourishmentbeef and beer. The French excitants alcohol, champagne.
1836. Blackw. Mag., XXXIX. 309/1. Salts are the excitants of the growth of plants.
1875. Bedford, Sailors Pocket-bk., viii. (ed. 2), 300. A warm bath should only be employed as a momentary excitant.
1885. Pall Mall Gaz., 11 Feb., 4/2. A weak solution of potash as the excitant.