martian

adjective

mar·​tian ˈmär-shən 

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

Actual Martian regolith has different particle characteristics and contains things such as perchlorates. — Christopher McFadden, Interesting Engineering, 4 Oct. 2026

Plus, some samples of Martian soil contain high levels of perchlorates, toxic chemical compounds, also found in rocket fuel, that could potentially poison the planet’s supplies of water and food. — Brian Gallagher, Scientific American, 2 Oct. 2026

Conversely, the team does not know whether the living yeast itself will survive Martian conditions. — New Atlas, 26 Sep. 2026

On Earth, hydrothermal systems can create environments capable of supporting microbial life, making these ancient Martian water systems particularly interesting to scientists investigating the Red Planet's past habitability. — Samantha Mathewson, Space.com, 24 Sep. 2026

Word History

First Known Use

1880, in the meaning defined above

Rhymes for martian

• darshan

Kids Definition

Martian

adjective

Mar·​tian

ˈmär-shən

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

Martian noun