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terrestrial

[tuh-res-tree-uh l] /təˈrɛs tri əl/
adjective
1.
pertaining to, consisting of, or representing the earth as distinct from other planets.
2.
of or pertaining to land as distinct from water.
3.
Botany.
  1. growing on land; not aquatic.
  2. growing in the ground; not epiphytic or aerial.
4.
Zoology. living on or in the ground; not aquatic, arboreal, or aerial.
5.
of or pertaining to the earth or this world; worldly; mundane.
noun
6.
an inhabitant of the earth, especially a human being.
Origin
late Middle English
1400-1450
1400-50; late Middle English < Latin terrestri(s) pertaining to earth (derivative of terra earth) + -al1
Related forms
terrestrially, adverb
nonterrestrial, adjective, noun
preterrestrial, adjective
superterrestrial, adjective
underterrestrial, adjective
unterrestrial, adjective
Synonyms
1. terrene. See earthly.
Antonyms
1. celestial.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for unterrestrial

terrestrial

/təˈrɛstrɪəl/
adjective
1.
of or relating to the earth
2.
of or belonging to the land as opposed to the sea or air
3.
(of animals and plants) living or growing on the land
4.
earthly, worldly, or mundane
5.
(of television signals) sent over the earth's surface from a transmitter on land, rather than by satellite
noun
6.
an inhabitant of the earth
Derived Forms
terrestrially, adverb
terrestrialness, noun
Word Origin
C15: from Latin terrestris, from terra earth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for unterrestrial

terrestrial

adj.

early 15c., from Latin terrestris "earthly," from terra "earth" (see terrain). Originally opposed to celestial; natural history sense of "living on land" is attested from 1630s. The noun meaning "a human being, a mortal" is recorded from 1590s.

Online Etymology Dictionary, © 2010 Douglas Harper
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unterrestrial in Science
terrestrial
  (tə-rěs'trē-əl)   
  1. Relating to Earth or its inhabitants.

  2. Relating to, living on, or growing on land.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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