noun
- A chemical compound used as a photographic developer to bring out images on film and photographic paper.
Usage: technical; photography
Examples
- The photographer mixed metol with other chemicals to create the developing solution.
- Metol was a popular choice for black-and-white film development in the mid-20th century.
- The darkroom technician carefully measured the metol before adding it to the developer bath.
- Metol reacts with exposed silver halide crystals to produce visible images on the film.