- a function of two variables that is obtained from a given function, y = f(x), and that expresses the approximate increment in the given function as the derivative of the function times the increment in the independent variable, written as dy = f′(x)dx.
- any generalization of this function to higher dimensions.
- the difference involved in a differential rate.
- differential rate.
Origin of differential
Examples from the Web for differentially
And even the suf- fragist does not suggest that the taxes which are levied on women are differentially applied to the uses of men.The Unexpurgated Case Against Women Suffrage|Almroth E. Wright
The plate is now placed in a furnace and differentially heated so that the face is raised to a higher temperature than the back.
British Dictionary definitions for differentially
- an increment in a given function, expressed as the product of the derivative of that function and the corresponding increment in the independent variable
- an increment in a given function of two or more variables, f(x 1, x 2, … x n), expressed as the sum of the products of each partial derivative and the increment in the corresponding variable
Word Origin and History for differentially
1640s, from Medieval Latin differentialis, from Latin differentia (see difference). Related: Differentially.