Noun
(uncountable, organic chemistry) A synthetic opioid derived from 2-benzylbenzimidazole.
(countable, organic chemistry) Any of a group of potent synthetic opioids with a structure related to nitazene, never approved for clinical use but manufactured as illicit drugs.
Hyponyms: butonitazene, clonitazene, etonitazene, isotonitazene, metonitazene, protonitazene