Part 2979

<i>Flint.</i>

-- <wordforms><wf>De*riv"a*tive*ly</wf>, <tt>adv.</tt> -- <wf>De*riv"a*tive*ness</wf>, <tt>n.</tt></wordforms>

<h1>Derivative</h1> <Xpage=395>

<hw>De*riv"a*tive</hw>, <tt>n.</tt>

<p><b>1.</b> <def>That which is derived; anything obtained or deduced from another.</def>

<p><b>2.</b> <fld>(Gram.)</fld> <def>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.</def>

<p><b>3.</b> <fld>(Mus.)</fld> <def>A chord, not fundamental, but obtained from another by inversion; or, <i>vice versa</i>, a ground tone or root implied in its harmonics in an actual chord.</def>

<p><b>4.</b> <fld>(Med.)</fld> <def>An agent which is adapted to produce a derivation (in the medical sense).</def>

<p><b>5.</b> <fld>(Math.)</fld> <def>A derived function; a function obtained from a given function by a certain algebraic process.</def>

<note>&hand; Except in the mode of derivation the derivative is the same as the differential coefficient. See <cref>Differential coefficient</cref>, under <er>Differential</er>.</note>

<p><b>6.</b> <fld>(Chem.)</fld> <def>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 <i>derivatives</i> of ammonia, and the hydrocarbons are <i>derivatives</i> of methane, benzene, etc.</def>

<h1>Derive</h1> <Xpage=395>

<hw>De*rive"</hw> <tt>(?)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Derived</er> <tt>(?)</tt>; <tt>p. pr. & vb. n.</tt> <er>Deriving</er>.]</wordforms> <ety>[F. <ets>d\'82river</ets>, L. <ets>derivare</ets>; <ets>de-</ets> + <ets>rivus</ets> stream, brook. See <er>Rival</er>.]</ety>

<p><b>1.</b> <def>To turn the course of, as water; to divert and distribute into subordinate channels; to diffuse; to communicate; to transmit; -- followed by <i>to</i>, <i>into</i>, <i>on</i>, <i>upon</i>.</def> <mark>[Obs.]</mark>

<blockquote>For fear it [water] choke up the pits . . . they [the workman] <b>derive</b> it by other drains. <i>Holland.</i></blockquote>

<blockquote>Her due loves <b>derived</b> to that vile witch's share. <i>Spenser.</i></blockquote>

<blockquote><b>Derived</b> to us by tradition from Adam to Noah. <i>Jer. Taylor.</i></blockquote>

<p><b>2.</b> <def>To receive, as from a source or origin; to obtain by descent or by transmission; to draw; to deduce; -- followed by <i>from</i>.</def>

<hr> <page="396"> Page 396<p>

<p><b>3.</b> <def>To trace the origin, descent, or derivation of; to recognize transmission of; <as>as, he <ex>derives</ex> this word from the Anglo-Saxon</as>.</def>

<blockquote>From these two causes . . . an ancient set of physicians <b>derived</b> all diseases. <i>Arbuthnot.</i></blockquote>

<p><b>4.</b> <fld>(Chem.)</fld> <def>To obtain one substance from another by actual or theoretical substitution; <as>as, to <ex>derive</ex> an organic acid from its corresponding hydrocarbon</as>.</def>

<syn>Syn. -- To trace; deduce; infer.</syn>

<h1>Derive</h1> <Xpage=396>

<hw>De*rive"</hw> <tt>(?)</tt>, <tt>v. i.</tt> <def>To flow; to have origin; to descend; to proceed; to be deduced.</def>

<i>Shak.</i>

<blockquote>Power from heaven <b>Derives</b>, and monarchs rule by gods appointed. <i>Prior.</i></blockquote>

<h1>Derivement</h1> <Xpage=396>