The story
From nor- + ketobemidone.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A chemical with formal name 1-[4-(3-hydroxyphenyl)piperidin-4-yl]propan-1-one, formed from ketobemidone by removing a methyl group from the nitrogen atom. Full definition →
From nor- + ketobemidone.
Etymology from Wiktionary, CC BY-SA 4.0.