- Biomonitoring
- Refractory
- Aurora
- Colour rendering index
- Plasmodesma
- Agenda 21
- Database
- Frame
- Air conditioning
- Gestation
- Chemical oxygen demand
- Fanconi anaemia
- Eucalyptus
- Tryptophan
- Hubble telescope
- Chapping
- Melon
- Storable propellant stage.
- Contact metamorphism
- Hydrogen sulphide
- Lander
- FAO
- Eutrophic
- Proline
- Standard
- Bepi Colombo
- Ookinete
- Gluon
- Fibrocystic breast disease
- R22