physics a measure of the effect a substance has on the kinetic energy of a particle passing through it
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The Power Of Reclaiming Controversial Terms
Fair warning: Reading ahead will put you in contact with some controversial “bad” words.
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