martian
adjective
mar·tian ˈmär-shən 
often capitalized
: of or relating to the planet Mars or its hypothetical inhabitants
martian noun often capitalized
Example Sentences
Recent Examples on the Web After months of spaceflight, an 8-minute planetary plunge, and weeks of Mars exploration, NASA’s Perseverance rover is beginning its primary scientific task: drilling out a finger-size core of martian rock from a former lakebed for return to Earth. 
Paul Voosen, Science | AAAS, 21 July 2021 After a final check, the blades adjusted their pitch and managed to beat enough of the thin martian air to rise. Paul Voosen, Science | AAAS, 19 Apr. 2021 A few hours ago, in the middle of the martian daytime, Ingenuity, NASA’s $80 million small helicopter, furiously spun its rotors, rose in the air and hovered. Paul Voosen, Science | AAAS, 19 Apr. 2021 Baccolo wants to use Antarctic cores investigate whether ancient martian ice were cauldrons for the formation of other minerals. Tess Joosse, Science | AAAS, 26 Jan. 2021 In addition to helping monitor and diagnose problems on the rover (knowing how the hardware sounds will help with troubleshooting), the mic could also help NASA better understand the martian environment. Eric Adams, Wired, 17 Feb. 2021 Researchers have discovered a common martian mineral deep within an ice core from Antarctica. Tess Joosse, Science | AAAS, 26 Jan. 2021 But now, researchers say the storms may also be one of the culprits in the ultimate martian cold case: how the once-wet planet lost its water. Paul Voosen, Science | AAAS, 12 Nov. 2020 Cincinnati Shakespeare Company presents a riveting adaptation of the H.G. Wells book about a martian invasion of earth. Luann Gibbs, The Enquirer, 25 Oct. 2020 See More
Paul Voosen, Science | AAAS, 21 July 2021 After a final check, the blades adjusted their pitch and managed to beat enough of the thin martian air to rise. Paul Voosen, Science | AAAS, 19 Apr. 2021 A few hours ago, in the middle of the martian daytime, Ingenuity, NASA’s $80 million small helicopter, furiously spun its rotors, rose in the air and hovered. Paul Voosen, Science | AAAS, 19 Apr. 2021 Baccolo wants to use Antarctic cores investigate whether ancient martian ice were cauldrons for the formation of other minerals. Tess Joosse, Science | AAAS, 26 Jan. 2021 In addition to helping monitor and diagnose problems on the rover (knowing how the hardware sounds will help with troubleshooting), the mic could also help NASA better understand the martian environment. Eric Adams, Wired, 17 Feb. 2021 Researchers have discovered a common martian mineral deep within an ice core from Antarctica. Tess Joosse, Science | AAAS, 26 Jan. 2021 But now, researchers say the storms may also be one of the culprits in the ultimate martian cold case: how the once-wet planet lost its water. Paul Voosen, Science | AAAS, 12 Nov. 2020 Cincinnati Shakespeare Company presents a riveting adaptation of the H.G. Wells book about a martian invasion of earth. Luann Gibbs, The Enquirer, 25 Oct. 2020 See More Word History
First Known Use
1880, in the meaning defined above