Chinese indigo
Indigo In"di*go, n.; pl. {Indigoes}. [F. indigo, Sp. indigo, indico, L. indicum indigo, fr. Indicus Indian. See {Indian}.] [1913 Webster] 1. A kind of deep blue, one of the seven prismatic colors. [1913 Webster]

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 {indican}. [1913 Webster]

Note: 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. [1913 Webster]

{Chinese indigo} (Bot.), {Isatis indigotica}, a kind of woad.

{Wild indigo} (Bot.), the American herb {Baptisia tinctoria} which yields a poor quality of indigo, as do several other species of the same genus. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Chinese-indigo — dažinis rūgtis statusas T sritis vardynas apibrėžtis Rūgtinių šeimos dažinis, rauginis augalas (Persicaria tinctoria), paplitęs rytų Azijoje. atitikmenys: lot. Persicaria tinctoria angl. Chinese indigo; polygonum indigo šaltinis Valstybinės… …   Lithuanian dictionary (lietuvių žodynas)

  • Indigo — In di*go, n.; pl. {Indigoes}. [F. indigo, Sp. indigo, indico, L. indicum indigo, fr. Indicus Indian. See {Indian}.] [1913 Webster] 1. A kind of deep blue, one of the seven prismatic colors. [1913 Webster] 2. (Chem.) A blue dyestuff obtained from… …   The Collaborative International Dictionary of English

  • Indigo dye — chembox Name = Indigo ImageFile = Indian indigo dye lump.jpg ImageSize = 200px ImageName = Lump of Indian indigo dye ImageFile1 = Indigo.svg ImageSize1 = 200px ImageName1 = Indigo OtherNames = 2,2’ Bis(2,3 dihydro 3 oxoindolyliden), Indigotin… …   Wikipedia

  • natural indigo — Indigo In di*go, n.; pl. {Indigoes}. [F. indigo, Sp. indigo, indico, L. indicum indigo, fr. Indicus Indian. See {Indian}.] [1913 Webster] 1. A kind of deep blue, one of the seven prismatic colors. [1913 Webster] 2. (Chem.) A blue dyestuff… …   The Collaborative International Dictionary of English

  • Wild indigo — Indigo In di*go, n.; pl. {Indigoes}. [F. indigo, Sp. indigo, indico, L. indicum indigo, fr. Indicus Indian. See {Indian}.] [1913 Webster] 1. A kind of deep blue, one of the seven prismatic colors. [1913 Webster] 2. (Chem.) A blue dyestuff… …   The Collaborative International Dictionary of English

  • polygonum-indigo — dažinis rūgtis statusas T sritis vardynas apibrėžtis Rūgtinių šeimos dažinis, rauginis augalas (Persicaria tinctoria), paplitęs rytų Azijoje. atitikmenys: lot. Persicaria tinctoria angl. Chinese indigo; polygonum indigo šaltinis Valstybinės… …   Lithuanian dictionary (lietuvių žodynas)

  • Colorante índigo — El texto que sigue es una traducción defectuosa o incompleta. Si quieres colaborar con Wikipedia, busca el artículo original y mejora o finaliza esta traducción. Puedes dar aviso al autor principal del artículo pegando el siguiente código en su… …   Wikipedia Español

  • Old Chinese phonology — The phonology of Old Chinese describes the language reflected by the rhymes of the Shijing and the phonetic components of Chinese characters, corresponding to the earlier half of the 1st millennium BC. Scholars have attempted to reconstruct the… …   Wikipedia

  • Baptisia tinctoria — Indigo In di*go, n.; pl. {Indigoes}. [F. indigo, Sp. indigo, indico, L. indicum indigo, fr. Indicus Indian. See {Indian}.] [1913 Webster] 1. A kind of deep blue, one of the seven prismatic colors. [1913 Webster] 2. (Chem.) A blue dyestuff… …   The Collaborative International Dictionary of English

  • Indigoes — Indigo In di*go, n.; pl. {Indigoes}. [F. indigo, Sp. indigo, indico, L. indicum indigo, fr. Indicus Indian. See {Indian}.] [1913 Webster] 1. A kind of deep blue, one of the seven prismatic colors. [1913 Webster] 2. (Chem.) A blue dyestuff… …   The Collaborative International Dictionary of English

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