variants often Martian
: of or relating to the planet Mars or its hypothetical inhabitants
martian noun
often Martian

Examples of martian in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These mysterious features are a bunch of broad, shallow pits scattered across the Martian bedrock. Chelsea Gohd, Space.com, 15 Sep. 2026 Scientists would still need to prove the yeast can survive real Martian radiation and atmospheric stress. Mrigakshi Dixit, Interesting Engineering, 10 Sep. 2026 The Martian surface is a practically airless vacuum, constantly bombarded with radiation, and regularly reaches temperatures as low as -81 degrees Fahrenheit. Andrew Paul, Popular Science, 10 Sep. 2026 The Martian atmosphere is thin, just 1 percent the density of air at sea level on Earth, so helicopters flying on Mars must spin their rotors faster than on Earth to generate lift. Stephen Clark, ArsTechnica, 1 Sep. 2026 See All Example Sentences for martian

Word History

First Known Use

1880, in the meaning defined above

Time Traveler
The first known use of martian was in 1880

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Cite this Entry

“Martian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/martian. Accessed 19 Sep. 2026.

Kids Definition

Martian

adjective
Mar·​tian
ˈmär-shən
: of or relating to the planet Mars or its supposed inhabitants
Martian noun
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