Adjacent Words

Indigo definitions

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Webster's 1828 Dictionary

IN'DIGO, n. [L. indicum, from India.] A substance or dye, prepared from the leaves and stalks of the indigo-plant, which are steeped in water till the pulp is extracted, when the tincture is drawn off and churned or agitated,till the dye begins to granulate. The flakes are then left to settle; the liquor is drawn off,and the indigo is drained in bags and dried in boxes. It is used for dyeing blue.

WordNet (r) 3.0 (2005)

adj
1: having a color between blue and violet; "indigo flowers" n
1: a blue dye obtained from plants or made synthetically [syn: anil, indigo, indigotin]
2: deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers; a source of indigo dye [syn: indigo, indigo plant, Indigofera tinctoria]
3: a blue-violet color

Merriam Webster's

noun (plural -gos or -goes) Etymology: Italian dialect, from Latin indicum, from Greek indikon, from neuter of indikos Indic, from Indos India Date: 1555 1. a. a blue vat dye obtained from plants (as indigo plants) b. the principal coloring matter C₁₆H₁₀N₂O₂ of natural indigo usually synthesized as a blue powder with a coppery luster 2. indigo plant 3. a deep reddish blue

Oxford Reference Dictionary

n. (pl. -os) 1 a a natural blue dye obtained from the indigo plant. b a synthetic form of this dye. 2 any plant of the genus Indigofera. 3 (in full indigo blue) a colour between blue and violet in the spectrum. Derivatives: indigotic adj. Etymology: 16th-c. indico (f. Sp.), indigo (f. Port.) f. L indicum f. Gk indikon INDIAN (dye)

Webster's 1913 Dictionary

Indigo In"di*go, n.; pl. Indigoes. [F. indigo, Sp. indigo, indico, L. indicum indigo, fr. Indicus Indian. See Indian.] 1. A kind of deep blue, one of the seven prismatic colors.

Webster's 1913 Dictionary

Indigo In"di*go, a. Having the color of, pertaining to, or derived from, indigo. 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 I. tinctoria, or common indigo plant, the I. Anil, a larger species, and the I. 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.

Collin's Cobuild Dictionary

Something that is indigo is dark purplish blue in colour. COLOUR