aeration

UK: /ɛəˈreɪʃən/

WordReference Random House Learner's Dictionary of American English © 2025

aer•ate /ˈɛreɪt/   v. [~ + object] , -at•ed, -at•ing. 

1. Physics to expose to the action of air or to cause air to circulate through:
   to aerate the lungs.

aer•a•tion /ɛˈreɪʃən/  n. [uncountable]
aer•a•tor, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2025

aer•ate  (âr′āt, ā′ə rāt′), v.t., -at•ed, -at•ing. 

1. Physics to expose to the action or effect of air or to cause air to circulate through:
   to aerate milk in order to remove odors.
2. Physics to change or treat with air or a gas, esp. with carbon dioxide.
3. Physiology to expose (a medium or tissue) to air, as in the oxygenation of the blood in respiration.

• Latin āer- aer- + -ate¹
• 1785–95

aer•a′tion, n.