- Tsunami
- Tempel 1 comet
- Thrombocytopenia
- Cannula
- TCP/IP
- H1 histamine antagonist
- Spectrum
- Pneumococcus
- Eclogite
- Anaplasmosis
- Ankylosis
- Peak oil
- Axial skeleton
- Nuit des étoiles (Star night)
- Pegasus
- Axion
- Final assembly building
- OSPAR Convention
- Autologous
- Scraping
- Vaginal smear
- Anti-androgen
- Raman spectroscopy
- Epileptic seizure
- Granivore
- Taiga
- Ligase
- ERS-2
- Numbers
- Smallpox