first-derivative

first derivative

noun Mathematics.
the derivative of a function: Velocity is the first derivative of distance with respect to time.


Origin:
1825–35

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
first derivative

noun
the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx [syn: derived function
WordNet® 3.0, © 2006 by Princeton University.
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