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to expose to the action or effect of or to cause to circulate through:
to aerate milk in order to remove odors.
to change or treat with or a gas, especially with carbon dioxide.
Physiology. to expose (a medium or tissue) to , as in the oxygenation of the blood in respiration.
Historical Examples

When the aeration is completed, the soda-water may be drawn off, as required, through the stop-cock.
Great Facts Frederick C. Bakewell

The cilia which propel them secure the aeration of the system.
Chambers’ Edinburgh Journal Various

aeration is frequently referred to in works on the Aquarium.
The Book of the Aquarium and Water Cabinet Shirley Hibberd

Especially is this so if the aeration is carried out in an atmosphere that is not perfectly clean and pure.
Outlines of Dairy Bacteriology, 8th edition H. L. Russell

Of course the renewal of the water supply, or its aeration by winds, is of importance here.
New England Salmon Hatcheries and Salmon Fisheries in the Late 19th Century Various

In hot breads of this kind, aeration is used as the leavening agent.
Woman’s Institute Library of Cookery, Vol. 1 Woman’s Institute of Domestic Arts and Sciences

He sits upon the eggs just as truly as a hen does; only, he sits upon them, not for warmth, but for aeration.
A Book of Natural History Various

In practice, this process, known as aeration, is carried on in different ways.
Outlines of dairy bacteriology H. L. Russell

In this plant the aeration is conducted by blowing in air at the base of the condenser.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 Various

Of all processes of aeration in bread-making, the oldest and most time-honored is by fermentation.
Household Papers and Stories Harriet Beecher Stowe

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

1570s, from French aération, from aérer (v.), from Latin aer (see air (n.1)). In some cases, from aerate.

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

aeration aer·a·tion (âr’ā’shən)

Exposure to air.

Saturation of a fluid with air or a gas.

The exchange of carbon dioxide and oxygen in the lungs.


To add a gas, such as carbon dioxide, to a liquid.

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

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


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