attenuant

& s. [In Fr. attenuant; Sp. atenuante; Port. attenuante; Lat. attenuans, pr. par. of attenuo = to make thin.) [ATTENUATE.] A. As adj.: That has the power of making a liquid thin, or diluting it. "They put into the stomach those things that be attenuant, incisive, and sharp, for to provoke and stir up the appetite"-Holland: Plutarch. (Richardson.) B. As substantive (Pharm.): That which po e es the power of imparting to the blood a more thin and fluid consistency than it previously po e ed. Water, and other aqueous fluids, have this property to a greater or le extent. ( Castle .)