01 n. A leading or drawing off of water from a stream or source.
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1.
A leading or drawing off of water from a stream or source.[Obs.]
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2.
The act of receiving anything from a source; the act of procuring an effect from a cause, means, or condition, as profits from capital, conclusions or opinions from evidence.“As touching traditional communication, . . . I do not doubt but many of those truths have had the help of that derivation.” — Sir M. Hale.
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3.
The act of tracing origin or descent, as in grammar or genealogy; as, the derivation of a word from an Aryan root.
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4.
The state or method of being derived; the relation of origin when established or asserted.
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5.
That from which a thing is derived.
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6.
That which is derived; a derivative; a deduction.“From the Euphrates into an artificial derivation of that river.” — Gibbon.
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7.
The operation of deducing one function from another according to some fixed law, called the law of derivation, as the operation of differentiation or of integration.(Math.)
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8.
A drawing of humors or fluids from one part of the body to another, to relieve or lessen a morbid process.(Med.)
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9.
The formation of a word from its more original or radical elements; also, a statement of the origin and history of a word.