- 1aerate something to make it possible for air to become mixed with soil, water, etc. Earthworms do the important job of aerating the soil.
- 2aerate something to add a gas, especially carbon dioxide, to a liquid under pressure aerated water
NAmE//ˈɛreɪt//Verb Forms present simple I / you / we / they aerate
he / she / it aerates
past simple aerated
-ing form aerating
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