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metol Line breaks: metol
Pronunciation: /ˈmɛtɒl/

Definition of metol in English:


[mass noun]
A soluble white compound used as a photographic developer.
  • A sulphate of 4-methylaminophenol (chemical formula: CH3NHC6H4OH)
Example sentences
  • Developing agents most readily available were metol, hydroquinone, and Phenidone.
  • This is because they mostly contain two developing agents: either phenidone or metol, which effectively develop the lighter image tones, with hydroquinone, which is responsible for the heavier densities.
  • As I have explained in my Print Solarization article, the best developer for the Sabatier effect is one that contains metol only.


Late 19th century: from German, arbitrarily named by the inventor.

Words that rhyme with metol

Definition of metol in:
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