Differential

مترادف و متضاد differential

1. noun The result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx
   Synonyms: derived-function, derivative, differential coefficient, first derivative
2. noun A bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves
   Synonyms: differential-gear