Definition:Derivative/Higher Derivatives/Order of Derivative

Definition

The order of a derivative is the number of times it has been differentiated.

For example:

a first derivative is of first order, or order $1$

a second derivative is of second order, or order $2$

and so on.

Also see

• Results about the order of a derivative can be found here.

Sources

• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): order: 1. (of a derivative)