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[mahr-shuh n] /ˈmɑr ʃən/
of, relating to, or like the planet Mars or its hypothetical inhabitants.
a supposed inhabitant of the planet Mars:
The science-fiction novel was about the invasion of our planet by Martians.
Origin of Martian
1350-1400; Middle English marcien < Latin Mārti(us) of, belonging to Mars (see March) + -an
Related forms
trans-Martian, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for Martian
Contemporary Examples
Historical Examples
  • It was one where all Earth's centuries of experience with bacteria would be valueless—the first Martian disease.

    Badge of Infamy Lester del Rey
  • This, then, is the great lesson which Martian civilisation teaches us.

  • The language was Martian, a dialect principally used in Ferrok-Shahn.

    Wandl the Invader Raymond King Cummings
  • That would be the tourist ship, the Martian Princess, he remembered.

    The Memory of Mars Raymond F. Jones
  • Fats plucked a sheaf of Martian bank notes from his pocket and tossed them to the croupier.

    Police Your Planet Lester del Rey
British Dictionary definitions for Martian


of, occurring on, or relating to the planet Mars
an inhabitant of Mars, esp in science fiction
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 Martian

late 14c., marcien "of the planet Mars" (originally in reference to astrological influence), from Latin Martius "sacred to Mars; pertaining to the planet Mars," from Mars (genitive Martis). The noun meaning "an inhabitant of the planet Mars" is attested from 1883.

Online Etymology Dictionary, © 2010 Douglas Harper
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