Rubian definitions

Rubian

• (n.) One of several color-producing glycosides found in madder root.
Found on http://thinkexist.com/dictionary/meaning/rubian/

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Rubian

Ru'bi·an noun [ Latin rubia madder, from rubeus red.] (Chemistry) One of several color-producing glycosides found in madder root.
Found on http://www.encyclo.co.uk/webster/R/100

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