Indigo - Indium

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2. (Chem.) A blue dyestuff obtained from several plants belonging to very different genera and orders, such as, the woad, Isatis tinctoria (family Cruciferae), Indigofera suffroticosa, Indigofera tinctoria (family Leguminosae), Indigofera Anil, Nereum tinctorium, Polygonum tinctorium Ait. (family Polygonaceae), etc.; called also natural indigo. It is a dark blue earthy substance, tasteless and odorless, with a copper-violet luster when rubbed. Indigo does not exist in the plants as such, but is obtained by decomposition of the glycoside .
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☞ Commercial indigo contains the essential coloring principle indigo blue or indigotine, with several other dyes; as, indigo red, indigo brown, etc., and various impurities. Indigo is insoluble in ordinary reagents, with the exception of strong sulphuric acid.
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Coloq. Chinese indigo (Bot.), Isatis indigotica, a kind of woad. -- Coloq. Wild indigo (Bot.), the American herb Baptisia tinctoria which yields a poor quality of indigo, as do several other species of the same genus.
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Indigo (?), a. Having the color of, pertaining to, or derived from, indigo.
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Coloq. Indigo berry (Bot.), the fruit of the West Indian shrub Randia aculeata, used as a blue dye. -- Coloq. Indigo bird (Zoöl.), a small North American finch (Cyanospiza cyanea). The male is indigo blue in color. Called also indigo bunting. -- Coloq. Indigo blue . (a) The essential coloring material of commercial indigo, from which it is obtained as a dark blue earthy powder, with a reddish luster, C16H10N2O2, which may be crystallized by sublimation. Indigo blue is also made from artificial amido cinnamic acid, and from artificial isatine; and these methods are of great commercial importance. Called also indigotin. (b) A dark, dull blue color like the indigo of commerce. -- Coloq. Indigo brown (Chem.), a brown resinous substance found in crude indigo. -- Coloq. Indigo copper (Min.), covellite. -- Coloq. Indigo green , a green obtained from indigo. -- Coloq. Indigo plant (Bot.), a leguminous plant of several species (genus Indigofera), from which indigo is prepared. The different varieties are natives of Asia, Africa, and America. Several species are cultivated, of which the most important are the Indigofera tinctoria, or common indigo plant, the Indigofera Anil, a larger species, and the Indigofera disperma. -- Coloq. Indigo purple , a purple obtained from indigo. -- Coloq. Indigo red , a dyestuff, isomeric with indigo blue, obtained from crude indigo as a dark brown amorphous powder. -- Coloq. Indigo snake (Zoöl.), the gopher snake. -- Coloq. Indigo white , a white crystalline powder obtained by reduction from indigo blue, and by oxidation easily changed back to it; -- called also indigogen. -- Coloq. Indigo yellow , a substance obtained from indigo.
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Indigofera (?), n. [NL., from E. indigo + L. ferre to bear.] (Bot.) A genus of leguminous plants (family Leguminosae) having many species, mostly in tropical countries, several of them yielding indigo, esp. Indigofera tinctoria, Indigofera suffroticosa, and Indigofera Anil.
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Indigogen (?), n. [Indigo + -gen.]
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1. (Chem.) See Indigo white, under .
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2. (Physiol. Chem.) Same as , 2.
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Indigometer (?), n. [Indigo + -meter.] An instrument for ascertaining the strength of an indigo solution, as in volumetric analysis. Ure.
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Indigometry (?), n. The art or method of determining the coloring power of indigo.
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Indigotic (?), a. [Cf. F. indigotique.] (Chem.) Pertaining to, or derived from, indigo; as, indigotic acid, which is also called anilic or nitrosalicylic acid.
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Indigotin (?), n. (Chem.) See Indigo blue, under .
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Indigrubin (?), n. [Indigo + L. ruber red.] (Physiol. Chem.) Same as .
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Indihumin (?), n. [Indican + humin.] (Chem.) A brown amorphous substance resembling humin, and obtained from indican.
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Indilatory (?), a. Not dilatory. [Obs.]
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Indiligence (?), n. [L. indiligentia: cf. F. indiligence.] Lack of diligence. [Obs.] B. Jonson.
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Indiligent (?), a. [L. indiligens: cf. F. indiligent. See .] Not diligent; idle; slothful. [Obs.] Feltham. -- Indiligently, adv. [Obs.]
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Indiminishable (?), a. Incapable of being diminished. [R.] Milton.
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Indin (?), n. [From .] (Chem.) A dark red crystalline substance, isomeric with and resembling indigo blue, and obtained from isatide and dioxindol.
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Indirect (?), a. [Pref. in- not + direct: cf. F. indirect.]
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1. Not direct; not straight or rectilinear; deviating from a direct line or course; circuitous; as, an indirect road.
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2. Not tending to an aim, purpose, or result by the plainest course, or by obvious means, but obliquely or consequentially; by remote means; as, an indirect accusation, attack, answer, or proposal.
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By what bypaths and indirect, crooked ways
I met this crown. Shak.
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3. Not straightforward or upright; unfair; dishonest; tending to mislead or deceive.
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Indirect dealing will be discovered one time or other. Tillotson.
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4. Not resulting directly from an act or cause, but more or less remotely connected with or growing out of it; as, indirect results, damages, or claims.
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5. (Logic & Math.) Not reaching the end aimed at by the most plain and direct method; as, an indirect proof, demonstration, etc.
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Coloq. Indirect claims , claims for remote or consequential damage. Such claims were presented to and thrown out by the commissioners who arbitrated the damage inflicted on the United States by the Confederate States cruisers built and supplied by Great Britain. -- Coloq. Indirect demonstration , a mode of demonstration in which proof is given by showing that any other supposition involves an absurdity (reductio ad absurdum), or an impossibility; thus, one quantity may be proved equal to another by showing that it can be neither greater nor less. -- Coloq. Indirect discourse . (Gram.) See Direct discourse, under . -- Coloq. Indirect evidence , evidence or testimony which is circumstantial or inferential, but without witness; -- opposed to direct evidence. -- Coloq. Indirect tax , a tax, such as customs, excises, etc., exacted directly from the merchant, but paid indirectly by the consumer in the higher price demanded for the articles of merchandise.
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Indirected, a. Not directed; aimless. [Obs.]
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Indirection (?), n. [Cf. F. indirection.] Oblique course or means; dishonest practices; indirectness. “By indirections find directions out.” Shak.
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Indirectly (?), adv. In an direct manner; not in a straight line or course; not in express terms; obliquely; not by direct means; hence, unfairly; wrongly.
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To tax it indirectly by taxing their expense. A. Smith.
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Your crown and kingdom indirectly held. Shak.
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Indirectness, n. 1. The quality or state of being indirect; obliquity; deviousness; crookedness.
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2. Deviation from an upright or straightforward course; unfairness; dishonesty. W. Montagu.
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Indiretin (?), n. [Indian + Gr. � resin.] (Chem.) A dark brown resinous substance obtained from indican.
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Indirubin (?), n. [Indigo + L. ruber red.] (Chem.) A substance isomeric with, and resembling, indigo blue, and accompanying it as a side product, in its artificial production.
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Indiscernible (?), a. [Pref. in- not + discernible: cf. F. indiscernable.] Not to be discerned; imperceptible; not discoverable or visible.
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Secret and indiscernible ways. Jer. Taylor.

-- Indiscernibleness, n. -- Indiscernibly, adv.

{ Indiscerpibility (?), Indiscerptibility (?) }, n. The state or quality of being indiscerpible. [Obs.] Dr. H. More.

{ Indiscerpible (?), Indiscerptible (?) }, a. Not discerpible; inseparable. [Obs.] Bp. Butler. -- Indiscerpibleness, n., Indiscerptibleness, n. [Obs.] -- Indiscerptibly, adv. [Obs.]
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Indisciplinable (?), a. [Pref. in- not + disciplinable: cf. F. indisciplinable.] Not disciplinable; undisciplinable. [R.]
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Indiscipline (?), n. [L. indisplina: cf. F. indiscipline. See not, and .] Lack of discipline or instruction. [R.]
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Indiscoverable (?), a. Not discoverable; undiscoverable. J. Conybeare.
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Indiscovery (?), n. Lack of discovery. [Obs.]
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Indiscreet (?), a. [OE. indiscret, F. indiscret, fr. L. indiscretus unseparated, indiscreet. See not, and , and cf. .] Not discreet; wanting in discretion.
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So drunken, and so indiscreet an officer. Shak.

Syn. -- Imprudent; injudicious; inconsiderate; rash; hasty; incautious; heedless; undiscerning; foolish.

-- Indiscreetly, adv. -- Indiscreetness, n.
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Indiscrete (?), a. [L. indiscretus unseparated. See .]
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1. Indiscreet. [Obs.] Boyle.
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2. Not discrete or separated; compact; homogenous.
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An indiscrete mass of confused matter. Pownall.
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Indiscretion (?), n. [Pref. in- not + discretion: cf. F. indiscrétion.]
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1. The quality or state of being indiscreet; lack of discretion; imprudence.
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2. An indiscreet act; indiscreet behavior.
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Past indiscretion is a venial crime. Cowper.
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Indiscriminate (?), a. Not discriminate; wanting discrimination; undistinguishing; not making any distinction; confused; promiscuous. “Blind or indiscriminate forgiveness.” I. Taylor.
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The indiscriminate defense of right and wrong. Junius.

-- Indiscriminately, adv. Cowper.
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Indiscriminating (?), a. Not discriminating. -- Indiscriminatingly, adv.
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Indiscrimination (?), n. Lack of discrimination or distinction; impartiality. Jefferson.
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Indiscriminative (?), a. Making no distinction; not discriminating.
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Indiscussed (?), a. [Pref. in- not + discuss: cf. L. indiscussus.] Not discussed. [Obs.] Donne.
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Indispensability (?), n. [Cf. F. indispensabilité.] Indispensableness.
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Indispensable (?), a. [Pref. in- not + dispensable: cf. F. indispensable.]
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1. Not dispensable; impossible to be omitted, remitted, or spared; absolutely necessary or requisite.
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2. (Eccl.) Not admitting dispensation; not subject to release or exemption. [R.]
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The law was moral and indispensable. Bp. Burnet.
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3. Unavoidable; inevitable. [Obs.] Fuller.
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Indispensableness, n. The state or quality of being indispensable, or absolutely necessary. S. Clarke.
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Indispensably, adv. In an indispensable manner. “Indispensably necessary.” Bp. Warburton.
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Indispersed (?), a. Not dispersed. [R.]
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Indispose (?), v. t. [imp. & p. p. Indisposed (?); p. pr. & vb. n. Indisposing.] [OE. indispos indisposed, feeble, or F. indisposé indisposed. See not, and .]
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1. To render unfit or unsuited; to disqualify.
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2. To disorder slightly as regards health; to make somewhat. Shak.
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It made him rather indisposed than sick. Walton.
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3. To disincline; to render averse or unfavorable; as, a love of pleasure indisposes the mind to severe study; the pride and selfishness of men indispose them to religious duties.
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The king was sufficiently indisposed towards the persons, or the principles, of Calvin's disciples. Clarendon.
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Indisposedness (?), n. The condition or quality of being indisposed. [R.] Bp. Hall.
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Indisposition (?), n. [Cf. F. indisposition.]
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1. The state of being indisposed; disinclination; as, the indisposition of two substances to combine.
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A general indisposition towards believing. Atterbury.
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2. A slight disorder or illness.
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Rather as an indisposition in health than as any set sickness. Hayward.
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Indisputability (?), n. [Cf. F. indisputabilité.] Indisputableness.
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Indisputable (?; 277), a. [Pref. in- not + disputable: cf. F. indisputable.] Not disputable; incontrovertible; too evident to admit of dispute.

Syn. -- Incontestable; unquestionable; incontrovertible; undeniable; irrefragable; certain; positive; undoubted; sure; infallible.

-- Indisputableness, n. -- Indisputably, adv.
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Indisputed (?), a. Undisputed.
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Indissipable (?), a. Incapable o� being dissipated.
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Indissolubility (?), n. [Cf. F. indissolubilité.] The quality or state of being indissoluble.
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Indissoluble (?), a. [L. indissolubilis: cf. F. indissoluble. See not, and , and cf. .]
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1. Not dissoluble; not capable of being dissolved, melted, or liquefied; insoluble; as, few substances are indissoluble by heat, but many are indissoluble in water. Boyle.
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2. Incapable of being rightfully broken or dissolved; perpetually binding or obligatory; firm; stable, as, an indissoluble league or covenant.
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To the which my duties
Are with a most indissoluble tie
Forever knit. Shak.
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Indissolubleness, n. Indissolubility. Sir M. Hale.
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Indissolubly, adv. In an indissoluble manner.
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On they move, indissolubly firm. Milton.
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Indissolvable (?), a. [Pref. in- not + dissolvable. Cf. .] Not dissolvable; incapable of being dissolved or separated; incapable of separation; perpetually firm and binding; indissoluble; as, an indissolvable bond of union. Bp. Warburton.
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Indissolvableness, n. Indissolubleness.
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Indistancy (?), n. Lack of distance or separation; nearness. [Obs.] Bp. Pearson.
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Indistinct (ĭndĭstĭṉkt), a. [L. indistinctus: cf. F. indistinct. See not, and .]
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1. Not distinct or distinguishable; not separate in such a manner as to be perceptible by itself; as, the indistinct parts of a substance. “Indistinct as water is in water.” Shak.
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2. Obscure to the mind or senses; not clear; not definite; confused; imperfect; faint; as, indistinct vision; an indistinct sound; an indistinct idea or recollection.
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When we come to parts too small four our senses, our ideas of these little bodies become obscure and indistinct. I. Watts.
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Their views, indeed, are indistinct and dim. Cowper.

Syn. -- Undefined; indistinguishable; obscure; indefinite; vague; ambiguous; uncertain; confused.
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Indistinctible (ĭndĭstĭṉktĭb'l), a. Indistinguishable. [Obs.] T. Warton.
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Indistinction (ĭndĭstĭṉkshŭn), n. [Cf. F. indistinction.] Lack of distinction or distinguishableness; confusion; uncertainty; indiscrimination.
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The indistinction of many of the same name . . . hath made some doubt. Sir T. Browne.
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An indistinction of all persons, or equality of all orders, is far from being agreeable to the will of God. Sprat.
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Indistinctive (ĭndĭstĭṉktĭv), a. Having nothing distinctive; common. -- Indistinctiveness, n.
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Indistinctly (ĭndĭstĭṉktl�), adv. In an indistinct manner; not clearly; confusedly; dimly; as, certain ideas are indistinctly comprehended.
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In its sides it was bounded distinctly, but on its ends confusedly and indistinctly. Sir I. Newton.
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Indistinctness, n. The quality or condition of being indistinct; lack of definiteness; dimness; confusion; as, the indistinctness of a picture, or of comprehension; indistinctness of vision.
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indistinguishability n. smilarity too close to be distinguished; exact sameness.
Syn. -- identity, identicalness.
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Indistinguishable (ĭndĭstĭṉgwĭshȧb'l), a. Not distinguishable; not capable of being perceived, known, or discriminated as separate and distinct; hence, not capable of being perceived or known; as, in the distance the flagship was indisguishable; the two copies were indisguishable in form or color; the difference between them was indisguishable.
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Indistinguishably, adv. In a indistinguishable manner. Sir W. Scott.
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Indistinguished (?), a. Indistinct. [R.] “That indistinguished mass.” Sir T. Browne.
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Indistinguishing (?), a. Making no difference; indiscriminative; impartial; as, indistinguishing liberalities. [Obs.] Johnson.
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Indisturbance (?), n. Freedom from disturbance; calmness; repose; apathy; indifference.
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Inditch (?), v. t. To bury in, or cast into, a ditch. Bp. Hall.
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Indite (ĭndīt), v. t. [imp. & p. p. Indited; p. pr. & vb. n. Inditing.] [OE. enditen to indite, indict, OF. enditer to indicate, show, dictate, write, inform, and endicter to accuse; both fr. LL. indictare to show, to accuse, fr. L. indicere to proclaim, announce; pref. in- in + dicere to say. The word was influenced also by L. indicare to indicate, and by dictare to dictate. See , and cf. , , .]
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1. To compose; to write; to be author of; to dictate; to prompt.
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My heart is inditing a good matter. Ps. xlv. 1.
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Could a common grief have indited such expressions? South.
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Hear how learned Greece her useful rules indites. Pope.
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2. To invite or ask. [Obs.]
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She will indite him to some supper. Shak.
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3. To indict; to accuse; to censure. [Obs.] Spenser.
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Indite, v. i. To compose; to write, as a poem.
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Wounded I sing, tormented I indite. Herbert.
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Inditement (?), n. [Cf. .] The act of inditing. Craig.
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Inditer (?), n. One who indites. Smart.
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Indium (?), n. [NL. See .] (Chem.) A rare metallic element, of atomic number 49, discovered in certain ores of zinc, by means of its characteristic spectrum of two indigo blue lines; hence, its name. In appearance it resembles zinc, being white or lead gray, soft, malleable and easily fusible, but in its chemical relation it resembles aluminium or gallium (valence +3). Symbol In. Atomic weight, 114.82.
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