Terrestrial
Terrestrial refers to things related to land or the planet Earth.
Terrestrial may also refer to:
- Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to in trees etc.
- Terrestrial plant, a plant that grows on land rather than in water or on rocks or trees
- Terrestrial planet, a planet that is primarily composed of silicate rocks, and thus "Earth-like". In our Solar system, these planets are Mercury, Venus, Earth and Mars. They are relatively small compared to Jovian planets ("Jupiter-like" gas giants), which include Jupiter, Saturn, Uranus and Neptune.
- Terrestrial ecoregion, land ecoregions, as distinct from freshwater ecoregions and marine ecoregions
- Terrestrial radio, radio signals received through a conventional aerial, as opposed to satellite radio
- Terrestrial radiation, radiation as emitted by Earth, as opposed to radiation emitted by the Sun and then reflected by Earth. Used in a remote sensing context.
- Terrestrial television, television signals received through a conventional aerial, as opposed to satellite television or cable television
- Terrestrial Trunked Radio, a specialist walkie talkie standard used by police departments, fire departments, ambulance services and the military
See also