- Active continental margin
- Chlamydia
- Hydra
- Ammeter
- Basilar
- Chickenpox
- Arginine
- Ridge
- Wading bird
- Aircraft
- Certification
- Orotic acid
- Neuroglia
- Dolomitic limestone
- WMAP Satellite
- U
- Microscopic soot particles
- Positron
- LCROSS
- Hooklet
- DMT
- Upload
- Haemolysis
- Crystal lattice
- Holocene
- Leaching
- Dysmetria
- Tuff
- Concorde
- Acetaldehyde