pyrocatechols

/ˌpaɪroʊˈkætəˌkɔlz/
noun
  1. Plural of pyrocatechol; multiple types or instances of this chemical compound.
    • The factory produces several pyrocatechols for industrial use.
    • Different pyrocatechols have varying effects on photographic film.
    • The chemist compared the properties of various pyrocatechols in her study.