deaerate

or de-aer·ate

[ dee-air-eyt, -ey-uh-reyt ]

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.

Other Words From

• deaer·ation noun
• de·aer·a·tor [dee-, air, -ey-ter, -, ey, -, uh, -rey-], noun

Word History and Origins

Origin of deaerate¹

First recorded in 1785–95; de- + aerate