adj.1. Of, relating to, or showing a difference.
2. Constituting or making a difference; distinctive.
3. Dependent on or making use of a specific difference or distinction.
4. Mathematics Of or relating to differentiation.
5. Involving differences in speed or direction of motion.
n.1. Mathematics a. An infinitesimal increment in a variable.
b. The product of the derivative of a function of one variable and the increment of the independent variable.
2. A differential gear.
3. A difference between comparable things, as in wage rate or in price.