precipitator n 1: removes dust particles from gases by electrostatic precipitation [syn: {precipitator}, {electrostatic precipitator}, {Cottrell precipitator}]
Precipitator \Pre*cip"i*ta`tor\, n. [L. praecipitator an overthrower.] One who precipitates, or urges on with vehemence or rashness. --Hammond. [1913 Webster]