Metol

American

[mee-tawl, -tol] / ˈmi tɔl, -tɒl /

Chemistry, Trademark.

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 British

/ ˈmiːtɒl /

noun

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

Etymology

Origin of metol

C20: from German, an arbitrary coinage

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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.

From Project Gutenberg

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.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023