UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈdɛsɪkənt/US:USA pronunciation: respellingUSA pronunciation: respelling(desi kənt)

WordReference Random House Unabridged Dictionary of American English © 2020
des•ic•cant  (desi kənt),USA pronunciation adj. 
  1. Chemistry, Drugsdesiccating or drying, as a medicine.

  1. Chemistry, Drugsa desiccant substance or agent.
  • Latin dēsiccant-, stem of dēsiccāns, present participle of dēsiccāre to dry up. See desiccate, -ant
  • 1670–80

Collins Concise English Dictionary © HarperCollins Publishers::
desiccant /ˈdɛsɪkənt/ adj
  1. desiccating or drying
  1. a substance, such as calcium oxide, that absorbs water and is used to remove moisture; a drying agent
Etymology: 17th Century: from Latin dēsiccāns drying up; see desiccate
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