1. [ verb ] impregnate, combine, or supply with oxygen
Synonyms: oxygenize oxygenise oxygenate

"oxygenate blood"

Related terms: process aeration oxygenation
2. [ verb ] (clothing) expose to fresh air, as of old clothing
Synonyms: air air_out

"aerate your old sneakers"

Related terms: expose air
3. [ verb ] aerate (sewage) so as to favor the growth of organisms that decompose organic matter
Synonyms: activate
Related terms: change air