- Beaufort scale
- IEEE
- Optical doublet
- Itching
- Hypocentre
- CD-ROM
- AFSSAPS
- Chemosynthesis
- Femur
- Homo erectus
- Hyakutake's comet
- M108
- Abortion
- Acidic rock
- Dizygotic
- Tulip tree
- Senescence
- Biometry
- Carbon compensation
- Contrast
- Soil pit
- Boxplot
- Pleistocene
- USB
- GEOSS
- Gamete
- Redundant Code
- Supplementary service
- Kevlar
- Tautomerism