derivation

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der·i·va·tion

(der'i-vā'shŭn),
1. The source or process of an evolution. Synonym(s): revulsion
2. The drawing of blood or body fluids to one part to relieve congestion in another.
[L. derivatio, fr. derivo, pp. -atus, to draw off, fr. rivus, a stream]

der·i·va·tion

(der'i-vā'shŭn)
The source, origin, or evolutionary course of a structure or process.
Synonym(s): revulsion (2) .
[L. derivatio, fr. derivo, pp. -atus, to draw off, fr. rivus, a stream]

derivation

(dĕr″ĭ-vā′shŭn) [L. derivare, to draw off]
The source or origin of a substance or idea.
References in periodicals archive ?
Let R be a prime ring of characteristic not 2, U a nonzero square closed Lie ideal of R and F, G be two generalized derivations of R associated to the derivations d and [delta] of R respectively.
Xin, On derivations of BCI-algebras, Information Sciences, 159(2004), 167-176.
On the Annihilators of Derivations with Engel Conditions in Prime Rings *
Nevertheless, there are several momentative derivations in my data.
s)] reproduce the boundary values assumed in their derivation ([partial derivative][u.
Mister and master are derivations from Old English via Old French of maitre, denoting a property or house holder.
One area of Russian derivation that particularly lends itself to an indexed-stem approach is the highly productive system of personal-noun formation.
said it may have sprung from agricultural traditions of Colonial America along with derivations such as harvest moon and hunter's moon.
Right and its derivations mean straight, square, regular as well as law, justice, order, uprightness, morality.
They use words such as "anticipate", "estimate", "project", "forecast", "may", "will", "should", "expect", "assume", "believe" and other derivations thereof and other words of similar meaning.
present a graduate-level textbook summarizing the theoretical aspects of diffusion and mass transfer, providing detailed derivations of the underlying theory and detailed solutions for a large number of example problems, and introducing a number of new research results and updated derivations of previous research results.