limited-slip differential

noun1

1. •
   A type of differential that allows its output shafts to rotate at different speeds but can limit the maximum difference in angular velocity between the output shafts, allowing greater torque to be applied to the slower-spinning shaft(s) and generally resulting in better traction than older-design differentials.

   • To get the facts on just what a limited-slip differential contributes to mobility under slippery conditions as well as on dry roads, we drew up plans for a series of tests — 1969