'Precipitator' definitions:

Definition of 'precipitator'

From: WordNet
noun
Removes dust particles from gases by electrostatic precipitation [syn: precipitator, electrostatic precipitator, Cottrell precipitator]

Definition of 'Precipitator'

From: GCIDE
  • Precipitator \Pre*cip"i*ta`tor\, n. [L. praecipitator an overthrower.] One who precipitates, or urges on with vehemence or rashness. --Hammond. [1913 Webster]