'Rubia tinctorum' definitions:
Definition of 'Rubia tinctorum'
From: WordNet
noun
Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin [syn: madder, Rubia tinctorum]
Definition of 'Rubia tinctorum'
From: GCIDE
- Madder \Mad"der\ (m[a^]d"d[~e]r), n. [OE. mader, AS. maedere; akin to Icel. ma[eth]ra.] (Bot.) A plant of the genus Rubia (Rubia tinctorum). The root is much used in dyeing red, and formerly was used in medicine. It is cultivated in France and Holland. See Rubiaceous. [1913 Webster]
- Note: Madder is sometimes used in forming pigments, as lakes, etc., which receive their names from their colors, such as madder yellow. [1913 Webster]
- Field madder, an annual European weed ({Sherardia arvensis}) resembling madder.
- Indian madder, the East Indian Rubia cordifolia, used in the East for dyeing; -- called also munjeet.
- Wild madder, Rubia peregrina of Europe; also the {Galium Mollugo}, a kind of bedstraw. [1913 Webster]