Aeration :: Aeration (n.) Exposure to the free action of the air; airing; as, aeration of soil, of spawn, etc..
Aeration :: Aeration (n.) A change produced in the blood by exposure to the air in respiration; oxygenation of the blood in respiration; arterialization.
Aeration :: Aeration (n.) The act or preparation of charging with carbonic acid gas or with oxygen.
Aerator :: Aerator (n.) That which supplies with air; esp. an apparatus used for charging mineral waters with gas and in making soda water.