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.

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1880.  Syd. Soc. Lex., Anhidrotics … sponging the surface of the body with cold mineral or vegetable acids … internal administration of dilute phosphoric acid [etc.].

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