Submitted by György Chityil ... on Sat, 01/20/2018 - 01:15 Hierarchy: NounDescription: {{organic chemistry|in combination}} used attributively to describe a compound having three nitrogen atoms in two ringsNgram: triazabicycloNgram Text: triazabicycloSource: WiktionaryIssue: 0Wiktionary tag: organic chemistryNgram Count: 1