a brand name for a colorless, water-soluble salt, C14H20N2O6S, used chiefly as a photographic developer.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for metol
Historical Examples of metol
The same remarks as to over and under-exposure apply as in the case of metol.
Word Origin for metol
C20: from German, an arbitrary coinage
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