madder
1any plant of the genus Rubia, especially the climbing R. tinctorum, of Europe, having open clusters of small, yellowish flowers.: Compare madder family.
the root of this plant, formerly used in dyeing.
the dye or coloring matter itself.
a color produced by such a dye.
Origin of madder
1British Dictionary definitions for madder (1 of 2)
/ (ˈmædə) /
any of several rubiaceous plants of the genus Rubia, esp the Eurasian R. tinctoria, which has small yellow flowers and a red fleshy root
the root of this plant
a dark reddish-purple dye formerly obtained by fermentation of this root; identical to the synthetic dye, alizarin
a red lake obtained from alizarin and an inorganic base; used as a pigment in inks and paints
Origin of madder
1British Dictionary definitions for madder (2 of 2)
/ (ˈmædə) /
the comparative of mad
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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