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catechin

[kat-i-chin, -kin]
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noun
  1. a water-soluble, astringent yellow compound, C15H14O6, found in gambier, used chiefly in tanning and dyeing.
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Origin of catechin

First recorded in 1850–55; catech(u) + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for catechin

catechin

noun
  1. a soluble yellow solid substance found in catechu and mahogany wood and used in tanning and dyeing. Formula: C 15 H 14 O 6
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Word Origin

C19: from catechu + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012