- Optoelectronics
- Antagonist
- Joint
- Pathogen
- CNG
- EADS
- Epitope
- Solar Orbiter
- Duodenum
- Tetanus
- Birefringence
- CMR
- EDI
- Oxytocin antagonist
- Condensation boiler
- Reionisation
- Antares
- MIME
- Gray code
- Phylogeny
- Thermodynamics
- Topex-Poseidon
- Mimas
- Gout
- Second Life
- Scoliosis
- Prostate
- Cancer
- Vega
- Meridian of a celestial body