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tern (2)
ternary
ternary form
ternary system
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terneplate
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terotechnology
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terrestrial

ter·res·tri·al [ tə réstree əl ]


adjective 
Definition:
 
1. relating to Earth: relating to Earth rather than other planets

2. belonging to land: belonging to the land rather than the sea or air

3. living or growing on land: living or growing on land rather than in the sea or the air

4. broadcast by land-based transmitter: broadcast by a land-based transmitter rather than by satellite
a terrestrial TV channel

5. worldly or mundane: worldly or mundane as opposed to heavenly



noun  (plural ter·res·tri·als)
Definition:
 
dweller on planet Earth: especially in science fiction, a person or animal who lives on Earth

[14th century. < Latin terrestris< terra "earth, land"]

ter·res·tri·al·ly adverb
ter·res·tri·al·ness noun
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