adjective, often capitalized
mar·​tian | \ ˈmär-shən How to pronounce martian (audio) \

Definition of martian

: of or relating to the planet Mars or its hypothetical inhabitants

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Other Words from martian

martian noun, often capitalized

Examples of martian in a Sentence

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The level is typically low, often in the parts per trillion range, and seems to rise and fall as martian seasons change. Alexandra Witze, Scientific American, "Mars Rover Detects “Excitingly Huge” Methane Spike," 24 June 2019 That hasn’t stopped people from imaging what hanging out on martian soil might be like, though. Liz Stinson, Curbed, "Glamp in a geodesic dome at this Mars-like campground," 3 Oct. 2018 Because ultraviolet radiation and oxidizing compounds in the martian soil would destroy any compounds exposed at the surface, Curiosity's scientists used a robotic drill to penetrate several centimeters into the mudstone. Paul Voosen, Science | AAAS, "NASA rover hits organic pay dirt on Mars," 7 June 2018 The Long March 9 could be used to send Chinese taikonauts to the moon, a mission in the preliminary planning stage, as well as unmanned probes to Mars that will return to Earth with samples of the martian soil. Kyle Mizokami, Popular Mechanics, "China Working on a New Heavy-Lift Rocket as Powerful as Saturn V," 20 Mar. 2018 If glamping in a geodesic dome in a faux-martian landscape isn’t quite your style, how about glamping in a geodesic dome in the Canadian forest? Liz Stinson, Curbed, "You can rent these modern geodesic domes nestled in a forest," 15 Nov. 2018 In 2009, researchers reported that inexplicable martian plumes randomly belch out thousands of tons of methane at a time. National Geographic, "Building Blocks of Life Found on Mars," 7 June 2018 As winds eventually dispersed the sand on top, the negative space where the dune once stood was preserved as a pit on the martian surface. Frankie Schembri, Science | AAAS, "‘Ghost dunes’ spotted on Mars," 11 July 2018 Each martian summer, the atmosphere’s methane concentration rises to about 0.6 parts per billion. National Geographic, "Building Blocks of Life Found on Mars," 7 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'martian.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of martian

1880, in the meaning defined above

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Statistics for martian

Last Updated

3 Jul 2019

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Time Traveler for martian

The first known use of martian was in 1880

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More from Merriam-Webster on martian

Rhyming Dictionary: Words that rhyme with martian

Spanish Central: Translation of martian

Nglish: Translation of martian for Spanish Speakers

Comments on martian

What made you want to look up martian? Please tell us where you read or heard it (including the quote, if possible).


not constant or steady

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