acetyltannic acid

noun

ace·​tyl·​tan·​nic acid

ə-ˌsē-tᵊl-ˈta-nik-

: a yellowish white or grayish white powder obtained by the acetylation of tannin and used as an intestinal astringent

Word History

Etymology

acetyl + tannic

First Known Use

1875, in the meaning defined above

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