- MPLS
- GDP
- Minitel
- Brood
- Concomitant
- Chelating agent
- Ammon's horn
- Cilia
- API
- Air pollutant concentrations
- DNA
- NIAID
- Phycocyanin
- Gruiformes
- Freshwater
- Poliomyelitis
- Cath
- Inference engine
- Loose pack ice
- Oxy-fuel combustion
- Androgen
- Pneumatolytic
- Zoonosis
- MEO orbit
- DNA ligase
- Low-water mark
- Interferometer
- Earthquake
- Razorback
- Delta IV Heavy