pyrogallic

/ˌpaɪrəˈɡælɪk/
adjective
  1. Relating to or derived from pyrogallol, a chemical compound used in photography, dyes, and as a developer.
    • In chemistry class, they studied the pyrogallic properties of certain organic compounds.
    • The pyrogallic solution was used in old photographic developing processes.
    • Pyrogallic acid is a common name for the compound pyrogallol.
Synonyms
What does "pyrogallic" mean? | whatsthatwordmean | whatsthatwordmean