noun
1. the process of exposing to air (so as to purify) (Freq. 5)
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the aeration of the soil
• Derivationally related forms: ↑aerate
• Hypernyms: ↑natural process, ↑natural action, ↑action, ↑activity
2. the act of charging a liquid with a gas making it effervescent
• Derivationally related forms: ↑aerate
• Hypernyms: ↑change of state
Useful english dictionary. 2012.