Indigo plant
Indigo In"di*go, a. Having the color of, pertaining to, or derived from, indigo. [1913 Webster]

{Indigo berry} (Bot.), the fruit of the West Indian shrub {Randia aculeata}, used as a blue dye.

{Indigo bird} (Zo["o]l.), a small North American finch ({Cyanospiza cyanea}). The male is indigo blue in color. Called also {indigo bunting}.

{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.

{Indigo brown} (Chem.), a brown resinous substance found in crude indigo.

{Indigo copper} (Min.), covellite.

{Indigo green}, a green obtained from indigo.

{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}.

{Indigo purple}, a purple obtained from indigo.

{Indigo red}, a dyestuff, isomeric with indigo blue, obtained from crude indigo as a dark brown amorphous powder.

{Indigo snake} (Zo["o]l.), the gopher snake.

{Indigo white}, a white crystalline powder obtained by reduction from indigo blue, and by oxidation easily changed back to it; -- called also {indigogen}.

{Indigo yellow}, a substance obtained from indigo. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • indigo plant — n a plant that yields indigo esp any of a genus (Indigofera) of leguminous herbs …   Medical dictionary

  • indigo plant — noun deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers; a source of indigo dye • Syn: ↑indigo, ↑Indigofera tinctoria • Hypernyms: ↑shrub, ↑bush • Hyponyms: ↑anil, ↑ …   Useful english dictionary

  • indigo plant — noun Date: 1712 a plant that yields indigo; especially any of a genus (Indigofera) of leguminous herbs …   New Collegiate Dictionary

  • indigo plant — Any shrub or herb in the genus Indigofera of the pea family (see legume). Most occur in warm climates and are silky or hairy. The leaves are usually divided into smaller leaflets. Small rose, purple, or white flowers are borne in spikes or… …   Universalium

  • indigo-plant — …   Useful english dictionary

  • common indigo plant — Indigo In di*go, a. Having the color of, pertaining to, or derived from, indigo. [1913 Webster] {Indigo berry} (Bot.), the fruit of the West Indian shrub {Randia aculeata}, used as a blue dye. {Indigo bird} (Zo[ o]l.), a small North American… …   The Collaborative International Dictionary of English

  • Indigo — In di*go, a. Having the color of, pertaining to, or derived from, indigo. [1913 Webster] {Indigo berry} (Bot.), the fruit of the West Indian shrub {Randia aculeata}, used as a blue dye. {Indigo bird} (Zo[ o]l.), a small North American finch… …   The Collaborative International Dictionary of English

  • Indigo berry — Indigo In di*go, a. Having the color of, pertaining to, or derived from, indigo. [1913 Webster] {Indigo berry} (Bot.), the fruit of the West Indian shrub {Randia aculeata}, used as a blue dye. {Indigo bird} (Zo[ o]l.), a small North American… …   The Collaborative International Dictionary of English

  • Indigo bird — Indigo In di*go, a. Having the color of, pertaining to, or derived from, indigo. [1913 Webster] {Indigo berry} (Bot.), the fruit of the West Indian shrub {Randia aculeata}, used as a blue dye. {Indigo bird} (Zo[ o]l.), a small North American… …   The Collaborative International Dictionary of English

  • Indigo blue — Indigo In di*go, a. Having the color of, pertaining to, or derived from, indigo. [1913 Webster] {Indigo berry} (Bot.), the fruit of the West Indian shrub {Randia aculeata}, used as a blue dye. {Indigo bird} (Zo[ o]l.), a small North American… …   The Collaborative International Dictionary of English

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