me·​te·​or·​oid | \ ˈmē-tē-ə-ˌrȯid How to pronounce meteoroid (audio) \

Definition of meteoroid

1 : a meteor particle itself without relation to the phenomena it produces when entering the earth's atmosphere
2 : a meteor in orbit around the sun

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Other Words from meteoroid

meteoroidal \ ˌmē-​tē-​ə-​ˈrȯi-​dᵊl How to pronounce meteoroidal (audio) \ adjective

Examples of meteoroid in a Sentence

Recent Examples on the Web After traveling more than 800 miles through the atmosphere, this 132-pound meteoroid flew back into space, according to a paper published in December 2019. Chris Ciaccia, Fox News, "Meteors that brushed Earth's atmosphere may have brought life to Venus, study says," 27 Sep. 2020 Developing film Don’t Look Up would position the Oscar winners as a pair of astronomers whose work leads to the terrifying discovery that a large meteoroid is headed straight for Earth. Ineye Komonibo,, "Jennifer Lawrence & Cate Blanchett Are Starring In A New Doomsday Movie That Will Freak You Out," 12 May 2020 As for the Australian meteoroid, his simulations suggest that repeated encounters with Jupiter will most likely have kicked it out of the solar system within half a million years. Joshua Sokol, New York Times, "This Fireball Ignored the Solar System’s One-Way Signs," 30 Mar. 2020 The July 2017 event is known as a grazing fireball, a rare type of meteoroid that hits Earth’s atmosphere at a low angle, then skims like a skipping stone on a lake. Joshua Sokol, New York Times, "This Fireball Ignored the Solar System’s One-Way Signs," 30 Mar. 2020 David Mcnew/Getty Images Seismometers may be built to detect earthquakes, but their mechanical ears hear so much more: hurricanes thundering hundreds of miles away and meteoroids exploding in the skies on the other side of the planet. Robin George Andrews, New York Times, "Coronavirus Turns Urban Life’s Roar to Whisper on World’s Seismographs," 8 Apr. 2020 And the stream of meteoroids only intersects Earth's orbit sometimes, which is what makes this potential outburst so rare. Ashley Strickland, CNN, "Mysterious comet will cause a rare 'Unicorn' meteor storm this week. Here's how to watch.," 20 Nov. 2019 Linda Elkins-Tanton, principal investigator at the NASA Psyche mission—Elkins-Tanton is the second-ever woman to lead a NASA mission, this one to a metallic meteoroid between Mars and Jupiter. Quartz, "Meet the new Quartz Pros!," 10 Oct. 2019 Panspermia is the hypothesis that life on Earth originated from microorganisms in outer space that were carried here unintentionally by objects such as space dust, meteoroids and asteroids, according to an article on NASA's website. Fox News, "Meteorite strikes made life on Earth possible, study says," 14 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'meteoroid.' 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 meteoroid

1865, in the meaning defined at sense 1

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Time Traveler for meteoroid

Time Traveler

The first known use of meteoroid was in 1865

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Statistics for meteoroid

Last Updated

1 Oct 2020

Cite this Entry

“Meteoroid.” Dictionary, Merriam-Webster, Accessed 19 Oct. 2020.

More from Merriam-Webster on meteoroid

Britannica English: Translation of meteoroid for Arabic Speakers

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