[des-i-kuh nt]
See more synonyms for desiccant on
  1. a desiccant substance or agent.

Origin of desiccant

1670–80; < Latin dēsiccant-, stem of dēsiccāns, present participle of dēsiccāre to dry up. See desiccate, -ant Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for desiccant


  1. desiccating or drying
  1. a substance, such as calcium oxide, that absorbs water and is used to remove moisture; a drying agent

Word Origin for desiccant

C17: from Latin dēsiccāns drying up; see desiccate
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

desiccant in Medicine


  1. A substance, such as calcium oxide or silica gel, that has a high affinity for water and is used as a drying agent.
  1. Causing or promoting dryness.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.