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electrostatic precipitator

noun
1.
a device for removing small particles, as of smoke, dust, or oil, from a gas, as air, by passing the gas first through an electrically charged screen that gives a charge to the particles, then between two charged plates where the particles are attracted to one surface.
Related forms
electrostatic precipitation, noun
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for electrostatic precipitation

electrostatic precipitation

noun
1.
(chem) the removal of suspended solid particles from a gas by giving them an electric charge and attracting them to charged plates
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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