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Metol

[ mee-tawl, -tol ]

Chemistry, Trademark.
  1. a brand name for a colorless, water-soluble salt, C 1 4 H 2 0 N 2 O 6 S, used chiefly as a photographic developer.


metol

/ ˈmiːtɒl /

noun

  1. a colourless soluble organic substance used, in the form of its sulphate, as a photographic developer; p- methylaminophenol See also aminophenol
“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 Metol1

C20: from German, an arbitrary coinage
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Example Sentences

Probably the best of all is "pyro," but the fact that it stains the fingers is a serious objection to it for amateur use, and almost any other developer, such as metol, eikonogen or hydroquinon will be better.

We needed not only the essential bulk chemicals, such as amidol, metol, para-amidophenol, and glycine, but also certain rarer substances, such as the photographic sensitisers, which were so essential for the Air Force.

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