Definition of precipitron
: an electrostatic air-cleaning apparatus that ionizes floating particles of dust, pollen, fumes, and smoke and then precipitates the particles on charged collecting elements usually in the form of plates —formerly a U.S. registered trademark
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
First Known Use of precipitron
Seen and Heard
What made you want to look up precipitron? Please tell us where you read or heard it (including the quote, if possible).