terrestrial
/təˈrɛstriəl/
adjective
- Relating to the planet Earth or its surface.
- The terrestrial planets include Mercury, Venus, Earth, and Mars.
- Scientists study terrestrial ecosystems to understand life on land.
- The telescope can observe both terrestrial and celestial objects.
- Living or growing on land rather than in water or air.
- Many terrestrial animals have adapted to life in deserts.
- Terrestrial plants have roots that anchor them in soil.
- Frogs are amphibians, but toads are more terrestrial.
- Relating to television or radio broadcasting using ground-based transmitters rather than satellites or cable.
- Some rural areas still rely on terrestrial radio for news.
- The switch from analog to digital terrestrial broadcasting improved signal quality.
- Terrestrial television channels are free to watch with an antenna.
Antonyms
noun
- An inhabitant of the planet Earth (often used in science fiction).
- The spacecraft carried a message from terrestrials to any intelligent life it might encounter.
- Some science fiction stories imagine a future where terrestrials colonize other planets.
- In the movie, the aliens communicated peacefully with the terrestrials.