Hypertext Webster Gateway: "aerator"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Aerator \A"["e]r*a`tor\, n.
That which supplies with air; esp. an apparatus used for
charging mineral waters with gas and in making soda water.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Aerator \A"["e]r*a`tor\, n.
That which supplies with air or gas; specif.:
(a) An apparatus used for charging mineral waters with gas
and in making soda water.
(b) A fumigator used to bleach grain, destroying fungi and
insects.
From WordNet (r) 1.7 (wn)
aerator
n : an apparatus for exposing something to the air (as sewage)
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