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

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

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First Known Use of precipitron

1938, in the meaning defined above

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The first known use of precipitron was in 1938

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Cite this Entry

“Precipitron.” The Dictionary, Merriam-Webster Inc., Accessed 21 January 2020.

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good-natured easy friendliness

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