- Eclipse of the Moon
- El Niño
- Hard acid
- Longitudinal chromatic aberration
- Oligocene
- Earth
- Sensitive Natural Space
- Centripetal force
- PLED
- IEC
- WHO
- Space-time diagram
- Glottis
- Semelparity
- Melt flow index
- Oviparous
- Google Desktop
- Bioavailability
- Curietherapy
- Bacillus
- James Webb space telescope
- Antares
- Pneumoconiosis
- SOHO
- Tsunamite
- Triangle galaxy
- Datagrid
- Karyotype
- Osmosis
- Phoenix Mars Lander