partial derivative

noun Mathematics.

the derivative of a function with respect to one of its variables with all other variables held constant.

Origin of partial derivative

First recorded in 1970–75

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British Dictionary definitions for partial derivative

partial derivative

noun

the derivative of a function of two or more variables with respect to one of the variables, the other or others being considered constant. Written ∂f/∂ x

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

partial derivative in Science

partial derivative

[pär′shəl]

The derivative with respect to a single variable of a function of two or more variables, regarding other variables as constants.