Tannin

ahd-5
  • 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.
    • The Century Dictionary and Cyclopedia
  • noun. Same as tannic acid. Also called taya. See tannic.
    • the GNU version of the Collaborative International Dictionary of English
  • noun. Same as Tannic acid, under tannic.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. Tannic acid or any of its derivatives.
    • 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
    • Word Usage
    "The preparation of pentagalloyl glucose has proved this compound to be nearly identical with tannin obtained from galls (_tannin_); a few other natural tannins belong to this type which Fischer terms acyl compounds of sugar with hydroxybenzoic acids."
    Hypernym
    Words that are more generic or abstract
    phenol  
    Hyponym
    Words that are more specific
    Kutch  catechin  cutch  
    Same Context
    Words that are found in similar contexts
    alum  benzoin  caffeine  calomel  carvacrol  
    Synonym
    Words with the same meaning
    E181  food colouring  
    variant
    tannic  
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