a certain arrangement of gears (epicyclic train) connecting two axles in the same line and dividing the driving force between them, but allowing one axle to turn faster than the other: it is used in the driving axles of automobiles to permit a difference in axle speeds when making turns
"differential gear." YourDictionary, n.d. Web. 14 October 2018. <http://www.yourdictionary.com/differential-gear>.
differential gear. (n.d.). Retrieved October 14th, 2018, from http://www.yourdictionary.com/differential-gear
An arrangement of gears in an epicyclic train permitting the rotation of two shafts at different speeds, used on the rear axle of automotive vehicles to allow different rates of wheel rotation on curves.