acetyltannic acid

noun ace·tyl·tan·nic acid \ə-ˌsē-təl-ˈta-nik-\

Definition of acetyltannic acid

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

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Origin and Etymology of acetyltannic acid

acetyl + tannic

First Known Use: 1875

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to criticize severely

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