a. and sb. Med. [f. Gr. ἀν not + ἱδρωτικ-ός sudorific, f. ἱδρώς sweat.] A. adj. Tending to check perspiration. B. sb. A medicinal agent of this nature.
1880. Syd. Soc. Lex., Anhidrotics sponging the surface of the body with cold mineral or vegetable acids internal administration of dilute phosphoric acid [etc.].