friction
/ˈfrɪkʃən/noun
mass noun
1- the resistance that one surface or object encounters when moving over another摩擦力：
a lubrication system which reduces friction.
减少摩擦力的润滑系统。
1.1
- the action of one surface or object rubbing against another摩擦：
the friction of braking.
因刹车产生的摩擦。
1.2
- conflict or animosity caused by a clash of wills, temperaments, or opinions（因意愿、性情、见解不协调而造成的）对立, 敌视, 摩擦：
a considerable amount of friction between father and son.
父子之间颇多的摩擦。
派生词
frictionless
adjective词源
mid 16th cent. （denoting chafing or rubbing of the body or limbs, formerly much used in medical treatment）： via French from Latin frictio（n-）, from fricare 'to rub'.