Rohypnol

[ roh-hip-nawl ]
/ ˈroʊ hɪpˌnɔl /

Pharmacology, Trademark.

a brand of flunitrazepam.

British Dictionary definitions for rohypnols

Rohypnol
/ (ˌrəʊˈhɪpnɒl) /

noun

trademark a brand of the drug flunitrazepam used as a hypnotic: its ability to render someone unconscious and disoriented on awakening has been exploited by rapists