1
: the Roman god of war compare ares
2
: the planet fourth in order from the sun and conspicuous for its red color see Planets Table
Examples of Mars in a Sentence
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Relatively early in its history, Mars lost its magnetic field, which allowed the solar wind to claw away most of its atmosphere; with that, much of the water sublimed into space.
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Jeffrey Kluger, TIME, 25 Feb. 2025
Today, Mars is a chilly desert of rock and dust — but 4 billion years ago, the planet had rivers, lakes and even oceans with sandy beaches.
—Kiona N. Smith, Space.com, 25 Feb. 2025
This week, Mars fills a trio of spaces on the Official Streaming chart.
—Hugh McIntyre, Forbes, 25 Feb. 2025
How to watch the planetary parade Five planets are visible to the naked eye, according to NASA: Mercury, Venus, Mars, Jupiter and Saturn.
—Kerry Breen, CBS News, 25 Feb. 2025
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Jeffrey Kluger, TIME, 25 Feb. 2025
Today, Mars is a chilly desert of rock and dust — but 4 billion years ago, the planet had rivers, lakes and even oceans with sandy beaches.
—Kiona N. Smith, Space.com, 25 Feb. 2025
This week, Mars fills a trio of spaces on the Official Streaming chart.
—Hugh McIntyre, Forbes, 25 Feb. 2025
How to watch the planetary parade Five planets are visible to the naked eye, according to NASA: Mercury, Venus, Mars, Jupiter and Saturn.
—Kerry Breen, CBS News, 25 Feb. 2025
See All Example Sentences for Mars
Cite this Entry
“Mars.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mars. Accessed 6 Mar. 2025.
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