1. (

• air_out ,
• air ,
• aerate

) expose to fresh air; "aerate your old sneakers" ;

2. (

• activate ,
• aerate

) aerate (sewage) so as to favor the growth of organisms that decompose organic matter ;

3. (

• oxygenate ,
• oxygenize ,
• oxygenise ,
• aerate ,

) impregnate, combine, or supply with oxygen; "oxygenate blood" ;