- U
- Oberon
- Olivine
- Influenza virus
- T-DMB
- Proton
- Yarkovsky effect
- FDA
- Trap
- UML
- White noise
- SPICAV
- CSA
- Avifauna
- Diplodocus
- Urethra
- DVD audio
- Orthorhombic system
- Luminescence
- Bone
- Placode
- Lagrangian point
- Fast neutron reactor
- Blue Motion
- Kleptoplasty
- Clay stone
- Incretin modulators
- Galliformes
- ONCFS
- Potato