- Social network
- Expanded polystyrene
- Internal energy
- Tumour antigen
- Ikonos
- Nitrophile
- Photosphere
- Magnetar
- Switched virtual circuit
- EGEE
- Erythroenzymopathy
- Metre
- Desertification
- Polar bear
- Ozone
- Regulator
- Super-resolution microscope
- Mastectomy
- Prothorax
- Emollient
- Kerberos
- Newtonian mechanics
- Pre-neoplastic lesion
- Immune complex
- American foulbrood
- Keesom force
- Legionellosis
- Catarrh
- Polariton
- OCD