Friction

GRE 蓝宝 Barron TOEFL 考研

[编辑] 解释

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 bhrī?anti 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
? frictionless adjective
? frictionlessly adverb