madder


madder
1. The dried and powdered root of Rubia tinctorum (family Rubiaceae); it contains several glycosides that upon fermentation give the red dyes alizarin and purpurin. When m. (or alizarin) is fed to young animals, the calcium in newly deposited bone salt, hydroxyapatite, is stained red. 2. Any dye obtained from plants of the m. family (Rubiaceae). SYN: turkey red. [A.S. maedere]

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mad·der 'mad-ər n
1) a Eurasian herb (Rubia tinctorum of the family Rubiaceae, the madder family) with whorled leaves, clusters of small yellowish flowers, and red to black berries broadly any of several related herbs (genus Rubia)
2) the root of the Eurasian madder formerly used in dyeing also an alizarin dye prepared from it

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mad·der (madґər) the root of Rubia tinctoria L. (Rubiaceae) affording a red dye, mainly alizarin and purpurin.

Medical dictionary. 2011.

Look at other dictionaries:

  • Madder — Mad der (m[a^]d d[ e]r), n. [OE. mader, AS. m[ae]dere; 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… …   The Collaborative International Dictionary of English

  • madder — (n.) type of plant (in modern use Rubia tinctorum) used for making dyes, O.E. mædere, from PIE *modhro dye plant (Cf. O.N. maðra, O.H.G. matara madder, Pol. modry, Czech modry blue ) …   Etymology dictionary

  • madder — madder1 [mad′ər] n. [ME mader < OE mædere, akin to ON mathra, Norw modra < IE base * modhro , dye plant > Czech modrý, blue] 1. any of a genus (Rubia) of plants of the madder family, with petals fused to form a funnel shaped corolla; esp …   English World dictionary

  • madder — ► NOUN ▪ a red dye or pigment obtained from the roots of a plant. ORIGIN Old English …   English terms dictionary

  • Madder — Taxobox name = Madder image width = 250px image caption = Common Madder ( Rubia tinctorum ) regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Gentianales familia = Rubiaceae tribus = Rubieae genus = Rubia genus authority = L …   Wikipedia

  • madder — madder1 /mad euhr/, n. 1. any plant of the genus Rubia, esp. the climbing R. tinctorum, of Europe, having open clusters of small, yellowish flowers. Cf. madder family. 2. the root of this plant, formerly used in dyeing. 3. the dye or coloring… …   Universalium

  • madder — noun Etymology: Middle English, from Old English mædere; akin to Old High German matara madder Date: before 12th century 1. a Eurasian herb (Rubia tinctorum of the family Rubiaceae, the madder family) with whorled leaves and small yellowish… …   New Collegiate Dictionary

  • madder — mad·der || mædÉ™(r) n. herbaceous climbing plant which bears clusters of yellow flowers; root of the madder plant; red dye extracted from the madder root; red or reddish orange color mæd adj. crazy, insane; furious, angry …   English contemporary dictionary

  • madder — dažinė raudė statusas T sritis vardynas apibrėžtis Raudinių šeimos dažinis, dekoratyvinis, vaistinis augalas (Rubia tinctorum), paplitęs pietvakarių Azijoje ir pietų Europoje. atitikmenys: lot. Rubia tinctorum angl. dyer s madder; Indian madde;… …   Lithuanian dictionary (lietuvių žodynas)

  • Madder — Mad Mad, a. [Compar. {Madder}; superl. {Maddest}.] [AS. gem?d, gem[=a]d, mad; akin to OS. gem?d foolish, OHG. gameit, Icel. mei?a to hurt, Goth. gam[ a]ids weak, broken. ?.] 1. Disordered in intellect; crazy; insane. [1913 Webster] I have heard… …   The Collaborative International Dictionary of English