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WordReference Random House Learner's Dictionary of American English © 2024aer•ate /ˈɛreɪt/USA pronunciation v. [~ + object], -at•ed, -at•ing. - Physicsto expose to the action of air or to cause air to circulate through:to aerate the lungs.
aer•a•tion /ɛˈreɪʃən/USA pronunciation n. [uncountable]aer•a•tor, n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024aer•ate (âr′āt, ā′ə rāt′),USA pronunciation v.t., -at•ed, -at•ing. - Physicsto expose to the action or effect of air or to cause air to circulate through:to aerate milk in order to remove odors.
- Physicsto change or treat with air or a gas, esp. with carbon dioxide.
- Physiologyto expose (a medium or tissue) to air, as in the oxygenation of the blood in respiration.
- Latin āer- aer- + -ate1
- 1785–95
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