- Cartagena Protocol
- Cambrian
- Sea ice - Old ice
- Polymetallic
- Standardisation
- Landscape charter
- Fading
- Inflorescence
- Repudiation
- Fayalite
- Rings of Saturn
- Aber
- Gaviiformes
- Blastomeres
- Hipparcos
- Secondary energy
- Genetics
- Pyrites
- Ultrabasic
- Hydrazine
- Twofish
- Columbus
- Scabies
- Pneumocyte
- NTSC
- Scrolling
- Sexual selection
- Gynandromorphism
- Imbibition
- Blastema