• synonyms


[air-eyt, ey-uh-reyt]
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verb (used with object), aer·at·ed, aer·at·ing.
  1. to expose to the action or effect of air or to cause air to circulate through: to aerate milk in order to remove odors.
  2. to change or treat with air or a gas, especially with carbon dioxide.
  3. Physiology. to expose (a medium or tissue) to air as in the oxygenation of the blood in respiration.
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Origin of aerate

1785–95; < Latin āer- aer- + -ate1
Related formsaer·a·tion, nounnon·aer·at·ed, adjectivenon·aer·at·ing, adjectivesub·aer·ate, verb (used with object), sub·aer·at·ed, sub·aer·at·ing.sub·aer·a·tion, nounun·aer·at·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for aerate

oxygenate, charge, ventilate, inflate, freshen, aerify

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British Dictionary definitions for aerate


verb (tr)
  1. to charge (a liquid) with a gas, esp carbon dioxide, as in the manufacture of effervescent drink
  2. to expose to the action or circulation of the air, so as to purify
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Derived Formsaeration, nounaerator, 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

Word Origin and History for aerate


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

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Online Etymology Dictionary, © 2010 Douglas Harper

aerate 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.