Main Entry: fric·tion

Pronunciation: \ˈfrik-shən\

Function: noun

Etymology: earlier, therapeutic rubbing of the limbs, from Middle French, from Latin friction-, frictio, from fricare to rub; akin to Latin friare to crumble, and perhaps to Sanskrit bhrīṇanti they injure

Date: 1704

1 a : the rubbing of one body against another b : the force that resists relative motion between two bodies in contact
2 : the clashing between two persons or parties of opposed views : disagreement
3 : sound produced by the movement of air through a narrow constriction in the mouth or glottis

— fric·tion·less \-ləs\ adjective

— fric·tion·less·ly adverb