Definition of “terrestrial” - English Dictionary

“terrestrial” in British English

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terrestrialadjective

uk /təˈres.tri.əl/ us /təˈres.tri.əl/

terrestrial adjective (EARTH)

formal relating to the earth

formal (of a planet) similar to Earth:

the search for terrestrial planets

terrestrial adjective (ANIMALS)

specialized biology (of animals) living on the land rather than in the water or air

(Definition of “terrestrial” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“terrestrial” in American English

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terrestrialadjective [ not gradable ]

us /təˈres·tri·əl/

earth science relating to the planet earth, or living or existing on the land rather than in the sea or air:

Newton investigated terrestrial and celestial motion.
marine and terrestrial environments

(Definition of “terrestrial” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“terrestrial” in Business English

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terrestrialadjective

uk /təˈrestriəl/ us

COMMUNICATIONS relating to television programmes that are not broadcast by cable or satellite:

terrestrial TV

(Definition of “terrestrial” from the Cambridge Business English Dictionary © Cambridge University Press)