GNU Collaborative International Dictionary of English

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1.       
   Aërate (), 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.
   
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   His sparkling sallies bubbled up as from aërated natural fountains. Carlyle.
   
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   2. To supply or impregnate with common air; as, “to aërate soil; to aërate water.”
   
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   3. (Physiol.) To expose to the chemical action of air; to oxygenate (the blood) by respiration; to arterialize.
   
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   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.
   
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