The Collaborative International Dictionary
Exsiccant
Exsiccant \Ex*sic"cant\, a. [L. exsiccans, p. pr. of exsiccare. See Exsiccate.] Having the quality of drying up; causing a drying up. -- n. (Med.) An exsiccant medicine.
Wiktionary
exsiccant
a. Having the quality of dry up; causing a drying up. n. A medicine that causes drying up.