Part 5748

<p><b>2.</b> <def>That which guides, points out, informs, or directs; a pointer or a hand that directs to anything, as the hand of a watch, a movable finger on a gauge, scale, or other graduated instrument. In printing, a sign [\'b5] used to direct particular attention to a note or paragraph; -- called also <altname>fist</altname>.</def><-- here represented by "&hand;" -->

<p><b>3.</b> <def>A table for facilitating reference to topics, names, and the like, in a book; -- usually alphabetical in arrangement, and printed at the end of the volume.</def>

<p><b>4.</b> <def>A prologue indicating what follows.</def> <mark>[Obs.]</mark>

<i>Shak.</i>

<p><b>5.</b> <fld>(Anat.)</fld> <def>The second digit, that next pollex, in the manus, or hand; the forefinger; index finger.</def>

<p><b>6.</b> <fld>(Math.)</fld> <def>The figure or letter which shows the power or root of a quantity; the exponent. <plu>[In this sense the plural is always <plw>indices</plw>.]</plu></def>

<cs><col>Index error</col>, <cd>the error in the reading of a mathematical instrument arising from the zero of the index not being in complete adjustment with that of the limb, or with its theoretically perfect position in the instrument; a correction to be applied to the instrument readings equal to the error of the zero adjustment.</cd> -- <col>Index expurgatorius</col>. <ety>[L.]</ety> <cd>See <cref>Index prohibitorius</cref> (below).</cd> -- <col>Index finger</col>. <cd>See <er>Index</er>, 5.</cd> -- <col>Index glass</col>, <cd>the mirror on the index of a quadrant, sextant, etc.</cd> -- <col>Index hand</col>, <cd>the pointer or hand of a clock, watch, or other registering machine; a hand that points to something.</cd> -- <col>Index of a logarithm</col> <fld>(Math.)</fld>, <cd>the integral part of the logarithm, and always one less than the number of integral figures in the given number. It is also called the <altname>characteristic</altname>.</cd> -- <mcol><col>Index of refraction</col>, &or; <col>Refractive index</col></mcol> <fld>(Opt.)</fld>, <cd>the number which expresses the ratio of the sine of the angle of incidence to the sine of the angle of refraction. Thus the <i>index of refraction<i> for sulphur is 2, because, when light passes out of air into sulphur, the sine of the angle of incidence is double the sine of the angle of refraction.</cd> -- <col>Index plate</col>, <cd>a graduated circular plate, or one with circular rows of holes differently spaced; used in machines for graduating circles, cutting gear teeth, etc.</cd> -- <mcol><col>Index prohibitorius</col> <ety>[L.]</ety>, or <col>Prohibitory index</col></mcol> <fld>(R. C. Ch.)</fld>, <cd>a catalogue of books which are forbidden by the church to be read; the <i>index expurgatorius</i> <ety>[L.]</ety>, or <i>expurgatory index<i>, is a catalogue of books from which passages marked as against faith or morals must be removed before Catholics can read them. These catalogues are published with additions, from time to time, by the Congregation of the Index, composed of cardinals, theologians, etc., under the sanction of the pope.</cd> <i>Hook</i>. -- <col>Index rerum</col> <ety>[L.]</ety>, <cd>a tabulated and alphabetized notebook, for systematic preservation of items, quotations, etc.</cd></cs>

<h1>Index</h1> <Xpage=751>

<hw>In"dex</hw> <tt>(?)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Indexed</er> <tt>(?)</tt>; <tt>p. pr. & vb. n.</tt> <er>Indexing</er>.]</wordforms> <def>To provide with an index or table of references; to put into an index; <as>as, to <ex>index</ex> a book, or its contents</as>.</def>

<h1>Indexer</h1> <Xpage=751>

<hw>In"dex*er</hw> <tt>(?)</tt>, <tt>n.</tt> <def>One who makes an index.</def>

<h1>Indexical</h1> <Xpage=751>

<hw>In*dex"ic*al</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Of, pertaining to, or like, an index; having the form of an index.</def>

<h1>Indexically</h1> <Xpage=751>

<hw>In*dex"ic*al*ly</hw>, <tt>adv.</tt> <def>In the manner of an index.</def>

<h1>Indexterity</h1> <Xpage=751>

<hw>In`dex*ter"i*ty</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Pref. <ets>in-</ets> not + <ets>dexterity</ets>: cf. F. <ets>indext\'82rit\'82</ets>.]</ety> <def>Want of dexterity or readiness, especially in the use of the hands; clumsiness; awkwardness.</def>

<i>Harvey.</i>

<h1>India</h1> <Xpage=751>

<hw>In"di*a</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[See <er>Indian</er>.]</ety> <def>A country in Southern Asia; the two peninsulas of Hither and Farther India; in a restricted sense, Hither India, or Hindostan.</def>

<cs><col>India ink</col>, <cd>a nearly black pigment brought chiefly from China, used for water colors. It is in rolls, or in square, and consists of lampblack or ivory black and animal glue. Called also <altname>China ink</altname>. The true India ink is sepia. See <er>Sepia</er>.</cd> -- <col>India matting</col>, <cd>floor matting made in China, India, etc., from grass and reeds; -- also called <altname>Canton, &or; China, matting</altname>.</cd> -- <col>India paper</col>, <cd>a variety of Chinese paper, of smooth but not glossy surface, used for printing from engravings, woodcuts, etc.</cd> -- <col>India proof</col> <fld>(Engraving)</fld>, <cd>a proof impression from an engraved plate, taken on India paper.</cd> -- <col>India rubber</col>. <cd>See <er>Caoutchouc</er>.</cd> -- <col>India-rubber tree</col> <fld>(Bot.)</fld>, <cd>any tree yielding caoutchouc, but especially the East Indian <spn>Ficus elastica</spn>, often cultivated for its large, shining, elliptical leaves.</cd></cs>

<h1>Indiadem</h1> <Xpage=751>

<hw>In*di"a*dem</hw>, <tt>v. t.</tt> <def>To place or set in a diadem, as a gem or gems.</def>

<h1>Indiaman</h1> <Xpage=751>

<hw>In"di*a*man</hw> <tt>(?)</tt>, <tt>n.</tt>; <plu>pl. <plw>Indiamen</plw> <tt>(<?/)</tt>.</plu> <def>A large vessel in the India trade.</def>

<i>Macaulay.</i>

<h1>Indian</h1> <Xpage=751>

<hw>In"di*an</hw> <tt>(?; 277)</tt>, <tt>a</tt> <ety>[From <ets>India</ets>, and this fr. <ets>Indus</ets>, the name of a river in Asia, L. <ets>Indus</ets>, Gr. <?/, OPers. <ets>Hindu</ets>, name of the land on the Indus, Skr. <ets>sindhu</ets> river, the Indus. Cf. <er>Hindoo</er>.]</ety>