Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of various water-soluble polyphenols found in plant tissues that bind proteins and promote the tanning of leather.
  • noun Any of various other substances that promote the tanning of leather, such as chromium salts.

from The Century Dictionary.

  • noun Same as tannic acid. Also called taya. See tannic.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Chem.) Same as Tannic acid, under tannic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry Tannic acid or any of its derivatives.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any of various complex phenolic substances of plant origin; used in tanning and in medicine

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[French, from tan, crushed oak bark, from Old French, from Medieval Latin tannum; see tan.]

Examples

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