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[air-eyt, ey-uh-reyt] /ˈɛər eɪt, ˈeɪ əˌreɪt/
verb (used with object), aerated, aerating.
to expose to the action or effect of air or to cause air to circulate through:
to aerate milk in order to remove odors.
to change or treat with air or a gas, especially with carbon dioxide.
Physiology. to expose (a medium or tissue) to air, as in the oxygenation of the blood in respiration.
Origin of aerate
1785-95; < Latin āer- aer- + -ate1
Related forms
aeration, noun
nonaerated, adjective
nonaerating, adjective
subaerate, verb (used with object), subaerated, subaerating.
subaeration, noun
unaerated, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for aerated
  • Keep your compost pile properly aerated by turning it over with a pitchfork or other yard implement.
  • Turn the compost drum every few days to keep the compost well mixed and aerated.
  • Fluff up the bedding about every two weeks to keep the pile aerated.
  • The professional cleaning method will leave your carpet preconditioned, aerated and deodorized.
  • When you sip it, you recognize at once the enhanced taste and aroma of a perfectly aerated red wine.
  • Mentions an ultra-lightweight version called autoclaved aerated concrete.
  • The rest came from ebullient, aerated performances by vocal soloists and the ensemble of period instruments.
  • Almost everywhere you looked, you could see the city being aerated and energized by the new and modern.
  • The tales are wrapped in the author's elliptical, rhapsodic language, aerated by quirky humor.
  • aerated lagoons are negatively affected by toxic loads, extreme cold, and power outages.
British Dictionary definitions for aerated


the past tense and past participle of aerate
(informal) angry or agitated


verb (transitive)
to charge (a liquid) with a gas, esp carbon dioxide, as in the manufacture of effervescent drink
to expose to the action or circulation of the air, so as to purify
Derived Forms
aeration, noun
aerator, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for aerated



1794, from Latin aer (genitive aeris; see air (n.1)) + verbal suffix -ate (2). Related: Aerated; aerating.

Online Etymology Dictionary, © 2010 Douglas Harper
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aerated in Science
  1. To add a gas, such as carbon dioxide, to a liquid.

  2. To supply with oxygen. Blood is aerated in the alveoli of the lungs.

  3. To supply with air or expose to the circulation of air.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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