- Sea ice - Grey
- Carbonatite
- Empirical formula
- Conveyor belt
- Asthma
- Chirality
- Cryogenic
- Protein
- Sweet Gum tree
- Silver birch
- Ionisation
- Nitrosamine
- Choroid
- Photovoltaic cell
- Homo ergaster
- Raspberry
- Depletion
- SNAPI
- Phosphoryl group
- Antispastic agent
- Solid solution
- Ductule
- Taxonomy
- DVD audio
- Input
- Pelagic life forms
- Yellow fever virus
- HLA
- Estuary
- Promoter