derivation

(redirected from derivations)
Also found in: Dictionary, Thesaurus, Encyclopedia.

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]
Farlex Partner Medical Dictionary © Farlex 2012

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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

derivation

(dĕr″ĭ-vā′shŭn) [L. derivare, to draw off]
The source or origin of a substance or idea.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
In Lemma [member of] it is demonstrated how any sentence of some context-sensitive language can be derived by a propagating scattered context grammar which uses leftmost derivations. Every sentence generated in such a way contains, however, some additional symbols.
Now, it may be recalled that the Rayleigh-Sommerfeld integrals obey the boundary conditions assumed in their derivation; that is,
Mister and master are derivations from Old English via Old French of maitre, denoting a property or house holder.
We can thus state the following condition on (event-denoting) -ung derivations: (14) Derivational condition 1: i.
Thus, in this section we proceed to define tuple derivations for views inductively based on tuple derivations for the operators comprising the view definition tree.
The next section of this article applies the alternations presented in this section to the zero derivations in which strong and weak verbs partake.
When we say that a sentence has a certain derivation with respect to a particular generative grammar, we say nothing about how the speaker or hearer might proceed, in some practical or efficient way, to construct such a derivation.
Paninian Grammar through Its Examples serves as a lexical resource by providing semantic and cultural information embedded in the derivation of words in the Paninian grammatical system while it serves as a research aid and educational resource by providing examples of how the Paninian derivational system works.
We say that a linear mapping d on A is a derivation if it satisfies
Due to this importance of involutive derivations on 3-Lie algebras, we investigate in this paper the existence of involutive derivations on finite dimensional n-Lie algebras.
In this Research paper different derivations of tasawuf are discussed.