polyphenolicadj.
/ˌpɒlɪfᵻˈnɒlɪk/, U.S. /ˈˌpɑlifəˈnɑlɪk/ Chemistry.
Relating to or of the nature of a polyphenol.
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polyphenolic1920
1920 Jrnl. Industr. & Engin. Chem. Oct. 1016/1 Bone black does not decolorise cane juice satisfactorily, and at times it yields an inky or even a pinkish filtrate in refineries, owing, apparently, in both cases to the presence of polyphenolic compounds of iron.
1958 Times 22 Dec. 1/5 (advt.) Synthesis and testing of natural polyphenolic compounds as anti-oxidants.
1991 Sci. News 5 Jan. 9/1 The bioadhesive fibers..run through a resin component consisting primarily of a polyphenolic protein.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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adj.1920- blue coat boy
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