- Aura
- Free Software Foundation
- 16:9
- Tetanus
- Passive continental margin
- Bifid
- Orion
- Packet switching
- Ciconiiformes
- Sputnik
- Whirlpool galaxy
- CryoSat
- Hirsutism
- ESTEC
- GPS
- Anxiolytic
- Amniocentesis
- Lignin
- Saccharose
- Michelson interferometer
- Plasmodesma
- BaBar
- Clays (minerals)
- Pathological
- Mangrove
- Draconitic period
- Archean
- Eaves
- Argos
- Arytenoid