Demerol
Dem e rol |ˈdeməˌrôl, -ˌräl ˈdɛmərɔl | ▶noun trademark for meperidine. ORIGIN 1940s: of unknown origin.
Demerol |ˈdɛmərɒl | ▶noun trademark for pethidine. ORIGIN 1940s: of unknown origin.