noun
(also phlobaphen)
Chemistry Any of a class of reddish or brownish water-insoluble pigments which occur in various barks and other plant tissues, and are polymeric derivatives of tannins.
Origin
Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist. From German Phlobaphen from ancient Greek ϕλοιός bark + βαϕή dye (from βαϕ-, stem of βάπτειν to dip) + German -en.
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