[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.
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
Example Sentences for aerate
Traditional wastewater treatment involves forcing air through the water to aerate it.
To feed the microbes, plants must aerate sewage sludge with costly, power-hogging equipment.
It's used to aerate red wines to quickly improve its character.
Their task was to aerate the water and make sure their cargos arrived in sound condition.
It should be turned every two weeks or so to re-aerate it.
Each of these units contain several options to aerate the flow.
They allow the river to stair step down, thus creating riffles, which help aerate and cool the water.
aerate ornamental ponds or contact your local mosquito abatement district regarding treatment options.
To improve the flat taste of boiled water, aerate it by pouring it back and forth from one container to another.
When you aerate your lawn, you give the water somewhere to go besides down the storm drain.
British Dictionary definitions for aerate
aerate (ˈɛəreɪt)
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

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin and History for aerate
1794, from L. ær (gen. æris) "air," from Gk. aer (see air (1)) + verbal suffix -ate (2).
Online Etymology Dictionary, © 2010 Douglas Harper
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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 © 2002. Published by Houghton Mifflin. All rights reserved.
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