Part 4100

<p><b>2.</b> <def>To withdraw by expression, distillation, or other mechanical or chemical process; <as>as, to <ex>extract</ex> an essence</as>. Cf. <er>Abstract</er>, <i>v. t.</i>, 6.</def>

<blockquote>Sunbeams may be <b>extracted</b> from cucumbers, but the process is tedious.

<p><b>3.</b> <def>To take by selection; to choose out; to cite or quote, as a passage from a book.</def>

<blockquote>I have <b>extracted</b> out of that pamphlet a few notorious falsehoods. <i>Swift.</i></blockquote>

<cs><col>To extract the root</col> <fld>(Math.)</fld>, <cd>to ascertain the root of a number or quantity.</cd></cs>

<h1>Extract</h1> <Xpage=529>

<hw>Ex"tract`</hw> <tt>(?)</tt>, <tt>n.</tt> <p><b>1.</b> <def>That which is extracted or drawn out.</def>

<p><b>2.</b> <def>A portion of a book or document, separately transcribed; a citation; a quotation.</def>

<p><b>3.</b> <def>A decoction, solution, or infusion made by drawing out from any substance that which gives it its essential and characteristic virtue; essence; <as>as, <ex>extract</ex> of beef; <ex>extract</ex> of dandelion</as>; also, any substance so extracted, and characteristic of that from which it is obtained; <as>as, quinine is the most important <ex>extract</ex> of Peruvian bark</as>.</def>

<p><b>4.</b> <fld>(Med.)</fld> <def>A solid preparation obtained by evaporating a solution of a drug, etc., or the fresh juice of a plant; -- distinguished from an <i>abstract</i>. See <er>Abstract</er>, <tt>n.</tt>, 4.</def>

<p><b>5.</b> <fld>(Old Chem.)</fld> <def>A peculiar principle once erroneously supposed to form the basis of all vegetable extracts; -- called also the <altname>extractive principle</altname>.</def> <mark>[Obs.]</mark>

<p><b>6.</b> <def>Extraction; descent.</def> <mark>[Obs.]</mark>

<i>South.</i>

<p><b>7.</b> <fld>(Scots Law)</fld> <def>A draught or copy of writing; certified copy of the proceedings in an action and the judgement therein, with an order for execution.</def>

<i>Tomlins.</i>

<cs><col>Fluid extract</col> <fld>(Med.)</fld>, <cd>a concentrated liquid preparation, containing a definite proportion of the active principles of a medicinal substance. At present a fluid gram of extract should represent a gram of the crude drug.</cd></cs>

<h1>Extractable, Extractible</h1> <Xpage=529>

<hw><hw>Ex*tract"a*ble</hw> <tt>(?)</tt>, <hw>Ex*tract"i*ble</hw> <tt>(?)</tt>,<hw> <tt>a.</tt> <def>Capable of being extracted.</def>

<h1>Extractiform</h1> <Xpage=529>

<hw>Ex*tract"i*form</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Chem.)</fld> <def>Having the form, appearance, or nature, of an extract.</def>

<h1>Extraction</h1> <Xpage=529>

<hw>Ex*trac"tion</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Cf. F. <ets>extraction</ets>.]</ety>

<p><b>1.</b> <def>The act of extracting, or drawing out; <as>as, the <ex>extraction</ex> of a tooth, of a bone or an arrow from the body, of a stump from earth, of a passage from a book, of an essence or tincture</as>.</def>

<p><b>2.</b> <def>Derivation from a stock or family; lineage; descent; birth; the stock from which one has descended.</def> "A family of ancient <i>extraction</i>."

<i>Clarendon.</i>

<p><b>3.</b> <def>That which is extracted; extract; essence.</def>

<blockquote>They [books] do preserve as in a vial the purest efficacy and <b>extraction</b> of that living intellect that bred them. <i>Milton.</i></blockquote>

<cs><col>The extraction of roots</col>. <fld>(Math.)</fld> <sd>(a)</sd> <cd>The operation of finding the root of a given number or quantity.</cd> <sd>(b)</sd> <cd>The method or rule by which the operation is performed; evolution.</cd></cs>