a. and sb. Med. Obs. [f. L. attenuāt- (see ATTENUATE v.) + -IVE.] A. adj. Attenuating, attenuant. B. sb. An attenuating agent, an attenuant.

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1656.  Ridgley, Pract. Physick, 105. The spleen cannot endure Attenuatives.

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1684.  trans. Bonet’s Merc. Compit., VI. 211. Its heat and attenuative virtue.

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