GNU Collaborative International Dictionary of English

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Found 2 definitions

  1.       
    
    Derivative , a. [L. derivativus: cf. F. dérivatif.] Obtained by derivation; derived; not radical, original, or fundamental; originating, deduced, or formed from something else; secondary; as, a derivative conveyance; a derivative word.
    1913 Webster
    1. Hence, unoriginal (said of art or other intellectual products.
      PJC

      Derivative circulation, a modification of the circulation found in some parts of the body, in which the arteries empty directly into the veins without the interposition of capillaries.

      Flint.

      -- De*riv"a*tive*ly, adv. -- De*riv"a*tive*ness, n.

      1913 Webster

  2.       
    
    Derivative, n.
    1. That which is derived; anything obtained or deduced from another.
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    2. (Gram.) A word formed from another word, by a prefix or suffix, an internal modification, or some other change; a word which takes its origin from a root.
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    3. (Mus.) A chord, not fundamental, but obtained from another by inversion; or, vice versa, a ground tone or root implied in its harmonics in an actual chord.
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    4. (Med.) An agent which is adapted to produce a derivation (in the medical sense).
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    5. (Math.) A derived function; a function obtained from a given function by a certain algebraic process.
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      ☞ Except in the mode of derivation the derivative is the same as the differential coefficient. See Differential coefficient, under Differential.

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    6. (Chem.) A substance so related to another substance by modification or partial substitution as to be regarded as derived from it; thus, the amido compounds are derivatives of ammonia, and the hydrocarbons are derivatives of methane, benzene, etc.
      1913 Webster

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