Indigoes

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From WordNet (r) 2.0 [wn]:

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

From WordNet (r) 2.0 [wn]:

  indigoes
       See {indigo}