Attenuant
Pronunciation : At*ten"u*ant
Part of Speech : a.
Etymology : [L. attenuans, p. pr. of attenuare: cf. F. att?nuant. See Attenuate.]
Definition : Defn: Making thin, as fluids; diluting; rendering less dense and viscid; diluent. -- n. (Med.)
Defn: A medicine that thins or dilutes the fluids; a diluent.
Source : Webster's Unabridged Dictionary, 1913