Med. [f. mod.L. amȳosthenīa want of muscular power (f. Gr. ἀ priv. + μῦς, μυ-ός muscle + -σθενεια strength) + -IC.] A medicine that depresses muscular action.

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1879.  Syd. Soc. Lex., s.v., Divisible into general and special amyosthenics; to the former belong belladonna, opium, [etc.].

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