noun
coefficient of friction
Technical term in physics; used in contexts such as mechanics and materials science.
静止摩擦係数は動摩擦係数より大きいことが多い。
The coefficient of static friction is often larger than the coefficient of kinetic friction.
摩擦 means 'friction' in general, while 摩擦係数 specifically refers to the numerical coefficient.
Compound of 摩擦 (friction) and 係数 (coefficient).