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aerator

[ air-ey-ter, ey-uh-rey- ]

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.


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Word History and Origins

Origin of aerator1

First recorded in 1860–65; aerate + -or 2
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Example Sentences

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

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aeratedaerenchyma