- HCFC
- U
- Supersymmetry
- Riparian plant
- X-ray binary
- Etna
- Cyclotron
- Neutron
- Poison ivy
- Eutrophication
- Draconitic period
- Dual core
- Birefringence
- Homotopy
- Copenhagen interpretation
- Painted lady
- Volcanic rock
- Colour rendering index
- Tuberculosis
- Ophidian
- Heatwave
- Nova
- Collaborative software
- Radioactivity
- Aqua
- Basalt
- Hyaline
- Epiphysis
- Thyroidectomy
- Succinate