- Mersenne prime
- Parenchyma
- Intrusion
- Septicaemic plague
- Secunia
- Nintendo Wi-Fi Connection
- Urostomy
- Hanbury Brown–Twiss effect
- Solstice
- Euhedral
- PocketPC
- Tsunamite
- Endemic
- Nanofiltration
- Volcanism
- Phoenix Mars Lander
- Eucrite
- Gossan
- Pluto
- Podicipediformes
- In vitro
- Diffraction
- Comma
- Unknown
- Fundamental state
- Cosmological constant
- Wingspan
- Body temperature
- Insect
- Edaphic