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deaerate

or de-aer·ate

[dee-air-eyt, -ey-uh-reyt]
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verb (used with object), de·aer·at·ed, de·aer·at·ing.
  1. to remove air or gas from.
  2. to remove bubbles from (a liquid, as boiler feedwater), as by mechanical agitation in a vacuum or by heating at atmospheric pressure.

Origin of deaerate

First recorded in 1785–95; de- + aerate
Related formsde·aer·a·tion, nounde·aer·a·tor [dee-air-ey-ter, -ey-uh-rey-] /diˈɛər eɪ tər, -ˈeɪ əˌreɪ-/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
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