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.

derivative

/de·riv·a·tive/ (dĕ-riv´ah-tiv) a chemical substance produced from another substance either directly or by modification or partial substitution.

derivative

[dəriv′ətiv]
Etymology: L, derivare, to turn away
anything that originates in another substance or object. For example, organs and tissues are derivatives of the primordial germ cells. Chemical derivatives may be produced to confirm identification of a compound or to aid in the analysis of a compound.

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.

derivative

the result of the calculation (usually with calculus) of the change of one variable with respect to another. Also alludes to the number of 'steps' of calculus required (e.g. acceleration is the second derivative of displacement with respect to time). See also differentiation.

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.

derivative (dēriv´ətiv),

n a chemical substance that is the result of a chemical reaction.
References in periodicals archive ?
We do not need a subscript on the first derivative because we know it is continuous in the upper and lower regions.
Minimum values for first derivative result in case of diagrams with 3 sectors ([u.
Our operating expenses for the past two quarters reflect the full integration of personnel from two acquisitions (Simplus Systems Corporation and First Derivative Systems, Inc.
Respondent, First Derivative Traders, was a class of plaintiffs
where Ai'([rho](x)) is the first derivative of the Airy function and Bi'([rho](x)) is the first derivative of its complement.
Similarly, they make it possible for the first derivative of the regression curve to be calculated, thereby enabling the different stages of growth to be defined as the species increases in size.
max] is automatically calculated when the first derivative tangent angle [alpha], Fig.
At the point of inflection, the growth rate, represented by the first derivative of the logistic model is at a maximum.
24) This can be seen by analyzing the first derivative of R with respect to [sigma].
Salinas et al [15] introduced a method for resolving binary mixtures which is based on the use of the first derivative of the ratio spectrum.