Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
extradition
extrados
extraembryonic membrane
extragalactic
extrajudicial
extralegal
extralimital
extraliterary
extramarital
extramundane
extramural
extraneous
extranet
extranuclear
extraordinaire
extraordinary
extraordinary general meeting
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

extraterrestrial

ex·tra·ter·res·tri·al [ èkstrə tə réstree əl ]


adjective 
Definition:
 
outside Earth: existing or coming from somewhere outside Earth and its atmosphere



noun  (plural ex·trater·res·tri·als)
Definition:
 
alien: a living being that comes from outside Earth, especially in science fiction

Advertisement

© 2009 Microsoft