An opioid used for controlled pain relief. It is much stronger than morphine.
Fentanyl (C22 H28 N2O) the hydrogen atoms are not shown.
- medium of exchange
- medium-resolution imaging spectrometer
- medium-scale integration
- Medium-Term Financial Strategy
- medium wave
- MEDLINE
- medulla
- medulla oblongata
- medullary ray
- medullated nerve fibre
- medusa
- Medusina mawsoni
- Medusinites
- Medvedev, Dmitri (1965–)
- MeerKAT
- meerkat
- meet operator
- MEG
- mega-
- megabase
- megabit
- megabreccia
- megabyte
- megacryst
- megaflops