English Etymology From di- + aza- + bi- + cyclo- + octane. Noun English Wikipedia has an article on:DABCOWikipedia diazabicyclooctane (uncountable) (organic chemistry) The caged tertiary diamine 1,4-diazabicyclo[2.2.2]octane Synonyms DABCOWikiwand - on Seamless Wikipedia browsing. On steroids.