1. (noun) the process of exposing to air (so as to purify)

• action
• activity
• natural action
• natural process

2. (noun) the act of charging a liquid with a gas making it effervescent

• change of state

1. (noun) the process of exposing to air (so as to purify)

• aerate
• air
• air out

2. (noun) the act of charging a liquid with a gas making it effervescent

• aerate
• oxygenate
• oxygenise
• oxygenize