noun
- Plural of pyrogallol; organic compounds derived from gallic acid, used in photography, dyes, and laboratory applications.
Usage: chemistry; technical
Examples
- Pyrogallols are important reducing agents in photographic development.
- The chemist synthesized several pyrogallols for the experiment.
- Pyrogallols have been used historically in the production of certain dyes.
- The laboratory stored pyrogallols in dark bottles to prevent degradation.