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amidol

[am-i-dawl, -dol]
noun Chemistry.
  1. a colorless, crystalline powder, C6H8N2O⋅2HCl, derived from phenol, used chiefly as a photographic developer.
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Origin of amidol

First recorded in 1890–95; amid- + -ol1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for amidol

Historical Examples of amidol

  • With amidol a pure delicate black is easily obtainable, and it is moreover a very simple developer to use.

    The Barnet Book of Photography

    Various


British Dictionary definitions for amidol

Amidol

noun
  1. trademark a grey to colourless soluble crystalline solid that is used as a photographic developer; 2,4-diaminophenol dihydrochloride. Formula: C 6 H 3 (NH 2) 2 (OH).2HCl
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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