- Influenza
- Dorsiflexion
- Iron-bearing formation
- Elastin
- Port
- IOPC Funds
- Ileum
- Cyclone
- ISDN
- Gout
- Hotspot
- Herbivore
- Magnetosome
- Radiometer
- Smiley
- Half-Life
- Riboflavin
- Google Talk
- External fertilisation
- Connex
- Okazaki fragment
- Tsunamite
- Carbon dioxide
- Fractal
- Ediacaran
- Earthquake
- CT scan
- Huntington's Disease
- Catadioptric
- Maritime swamp