[dee-air-eyt, -ey-uh-reyt]
verb (used with object), deaerated, deaerating.
to remove air or gas from.
to remove bubbles from (a liquid, as boiler feedwater), as by mechanical agitation in a vacuum or by heating at atmospheric pressure.
Also, de-aerate.

1785–95; de- + aerate

deaeration, noun
deaerator [dee-air-ey-ter, -ey-uh-rey-] , noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To deaerate
Example sentences
Then deaerate pumps thoroughly and start one of the pumps.
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