Definition of desiccant in English:

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Pronunciation: /ˈdɛsɪk(ə)nt/


A hygroscopic substance used as a drying agent: natural desiccants cause fleas to dehydrate and die [mass noun]: a small packet of desiccant to absorb any moisture
More example sentences
  • However, desiccants contain chemical agents that may be toxic to children, pets, and the chemically sensitive.
  • Unlike cooling-based dehumidifiers, which cool the air to condense moisture, desiccants attract moisture molecules directly from the air and release them into an exhaust air stream.
  • One ingredient found in almost all tablet or capsule containers is a desiccant - cotton batten or a small canister containing a harmless, water-absorbing compound.


Late 17th century: from Latin desiccant- 'making thoroughly dry', from the verb desiccare.

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