[air-eyt, ey-uh-reyt]
See more synonyms for aerate on
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.

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 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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Contemporary Examples of aerate

Historical Examples of aerate

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
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.

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