[uh-ten-yoo-uh nt]


a medicine or agent that thins the blood.

Origin of attenuant

First recorded in 1595–1605, attenuant is from the Latin word attenuant- (stem of attenuāns thinning, present participle of attenuāre). See at-, tenuis, -ant Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for attenuant

Historical Examples of attenuant

British Dictionary definitions for attenuant



causing dilution or thinness, esp of the blood


obsolete an attenuant drug or agent
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012