WordReference Random House Unabridged Dictionary of American English © 2020
des•ic•ca•tor  (desi kā′tər),USA pronunciation n. 
  1. Foodan apparatus for drying fruit, milk, etc.
  2. Chemistry
    • an apparatus for absorbing the moisture present in a chemical substance.
    • an airtight, usually glass container containing calcium chloride or some other drying agent for absorbing the moisture of another substance placed in the container.
  • desiccate + -or2 1830–40

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