metolPronunciation: /ˈmɛtɒl/Definition of metol noun [mass noun] a soluble white compound used as a photographic developer. A sulphate of 4-methylaminophenol (chemical formula: CH3NHC6H4OH) Origin: late 19th century: from German, arbitrarily named by the inventormetol in other Oxford dictionaries Definition of metol in the US English dictionary
