indigogen

indigogen
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.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • Indigogen — In di*go*gen, n. [Indigo + gen.] [1913 Webster] 1. (Chem.) See {Indigo white}, under {Indigo}. [1913 Webster] 2. (Physiol. Chem.) Same as {Indican}, 2. [1913 Webster] …   The Collaborative International Dictionary of English

  • Indigogēn — Indigogēn, s. Indigweiß …   Meyers Großes Konversations-Lexikon

  • indigogen — in·di·go·gen (inґdĭ go jən) a crystalline principle from indigo …   Medical dictionary

  • indigogen — …   Useful english dictionary

  • C16H10N2O2 — 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

  • 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

  • Cyanospiza cyanea — 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

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”