Webster's Revised Unabridged Dictionary · 1913

Rubian

Rubian , noun

[Latin rubia madder, from rubeus red.]

(Chemistry) One of several color-producing glycosides found in madder root.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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