precipitator

from WordNet (r) 3.0 (2006)
precipitator
    n 1: removes dust particles from gases by electrostatic
         precipitation [syn: {precipitator}, {electrostatic
         precipitator}, {Cottrell precipitator}]
    
from The Collaborative International Dictionary of English v.0.48
Precipitator \Pre*cip"i*ta`tor\, n. [L. praecipitator an
   overthrower.]
   One who precipitates, or urges on with vehemence or rashness.
   --Hammond.
   [1913 Webster]
    

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