precipitron

noun

pre·​cip·​i·​tron
prēˈsīpə‧ˌträn,
prə̇ˈs-
plural precipitrons
: 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

Word History

First Known Use

1938, in the meaning defined above

Time Traveler
The first known use of precipitron was in 1938

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Dictionary Entries Near precipitron

Cite this Entry

“Precipitron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/precipitron. Accessed 24 May. 2024.

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