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amidol

[ am-i-dawl, -dol ]

noun

Chemistry.
  1. a colorless, crystalline powder, C 6 H 8 N 2 O⋅2HCl, derived from phenol, used chiefly as a photographic developer.

Amidol

/ ˈæɪɒ /

noun

  1. 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
“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
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Word History and Origins

Origin of amidol1

First recorded in 1890–95; amid- + -ol 1

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