Med. [f. ANTI- + Gr. ὔδρωπ-α (see prec.) + -IN.] A crystalline principle obtained from the body or the cockroach, used in medicine as an antihydropic.

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1875.  H. Wood, Therap. (1879), 497. The dried bodies of … cockroaches have long been popularly used in Russia as a remedy for dropsy, and under the name of antihydropin have been introduced into practical medicine.

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