%aerate%

v. t. [ imp. & p. p. Aërated p. pr. & vb. n. Aërating ] [ Cf. F. aérer. See Air, v. t. ] 1. To combine or charge with gas; usually with carbonic acid gas, formerly called fixed air. [ 1913 Webster ]

His sparkling sallies bubbled up as from aërated natural fountains. Carlyle. [ 1913 Webster ]

2. To supply or impregnate with common air; as, to aërate soil; to aërate water. [ 1913 Webster ]

3. (Physiol.) To expose to the chemical action of air; to oxygenate (the blood) by respiration; to arterialize. [ 1913 Webster ]

4. cause a change by passing air through (of sewage)
Syn. -- activate [ WordNet 1.5 ]

Aërated bread, bread raised by charging dough with carbonic acid gas, instead of generating the gas in the dough by fermentation. [ 1913 Webster ]