noun
Physics and technical use: the resistive force or effect produced when surfaces are in contact and move, or tend to move, against each other.
この実験では、摩擦を無視して計算する。
In this experiment, we calculate while ignoring friction.
氷の上ではタイヤと路面の摩擦が小さい。
On ice, the friction between the tires and the road surface is low.
noun, noun or participle which takes 'suru', transitive verb, intransitive verb
Refers to the act or result of surfaces rubbing together; as 摩擦する it can be transitive or intransitive, often in technical, medical, or explanatory contexts where everyday speech might simply use こする.
運動中、服と肌が摩擦して赤くなった。
During exercise, my clothes rubbed against my skin and made it red.
タオルで肌を強く摩擦しないでください。
Please do not rub your skin hard with a towel.
noun
Figurative use for interpersonal, organizational, political, or diplomatic tension, especially when relations become strained without necessarily becoming an open fight.
方針の違いから、部署間に摩擦が生じた。
Differences in policy caused friction between the departments.
小さな誤解が両国の摩擦を招いた。
A small misunderstanding led to friction between the two countries.