aeration

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. the process of exposing to air (so as to purify) (Freq. 5)
- 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