Dictionary.com
definitions
  • synonyms

aerator

[air-ey-ter, ey-uh-rey-]
See more synonyms on Thesaurus.com
noun
  1. an apparatus for aerating water or other fluids.
  2. a device for introducing air into a bin of wheat or other grain in order to prevent the accumulation of moisture, keeping it free of fungi and insects.

Origin of aerator

First recorded in 1860–65; aerate + -or2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for aerator

Historical Examples

  • An aerator is used before filtration during the summer, when algae are likely to develop in the reservoir.

    Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911

    E. D. Hardy