derivative

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de·riv·a·tive

(dĕ-riv'ă-tiv),

1. Relating to or producing derivation.

2. Something produced by modification of something preexisting.

3. Specifically, a chemical compound that may be produced from another compound of similar structure in one or more steps, as in replacement of H by an alkyl, acyl, or amino group.

Farlex Partner Medical Dictionary © Farlex 2012

de·riv·a·tive

(dĕ-riv'ă-tiv)

1. Relating to or producing derivation.

2. Something produced by modification of something preexisting.

3. Specifically, a chemical compound produced from another compound in one or more steps, as in replacement of H by an alkyl, acyl, or amino group.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

de·riv·a·tive

(dĕ-riv'ă-tiv)

Chemical compound that may be produced from another compound of similar structure in one or more steps.

References in periodicals archive ?

Ordinary derivative gain can become less effective or in some cases aggravate a tendency to oscillate when a control loop is poorly tuned.

Zero shaping for tough tuning: using Microstar's PC-based control boards, engineers have introduced a new refinement to the venerable PI D command control

Fractional derivatives have been used in the literature to observe the effect of memory on a system dynamics by replacing the ordinary derivative order with the fractional derivative order [12-15].

A Fractional-Order Model for HIV Dynamics in a Two-Sex Population

The Caputo fractional derivative is given by the convolution of a power law kernel and the ordinary derivative of the function.