moon·​dust | \ ˈmün-ˌdəst How to pronounce moondust (audio) \

Definition of moondust

: fine dry particles of the moon's soil

Examples of moondust in a Sentence

Recent Examples on the Web Furthermore, the silver base coat plays on the otherworldly theme, eliciting images of star and moondust. Sara Miranda, Allure, 23 Dec. 2021 Will the study of moondust give us clues to the biochemical origin of life? Dan Q. Posin, Popular Mechanics, 11 Mar. 2021 Perhaps the program’s true legacy is etched not in moondust but in silicon. Stephen Witt, WIRED, 24 June 2019 With almost no fuel to spare, the lander dropped, in slow motion, to kiss the surface upright, and the particles of moondust hung suspended in the sunlight until the gentle lunar gravity pulled them back to rest. Stephen Witt, WIRED, 24 June 2019 More recently, Chen has made thin moondust mirrors that can be reshaped by actuators on the back surface to compensate for temperature changes and for gravity as the mirror moves. Daniel Clery, Science | AAAS, 18 July 2019 The 15-ton lunar module is being swallowed by the thick layer of moondust like a stone dropped in quicksand. Daniel Oberhaus, WIRED, 16 July 2019 The world couldn’t wait to see what the astronauts brought home — mysterious moondust and ancient rocks. Washington Post, 2 July 2019 In that case, in 2016, a federal judge in Wichita ruled that the government had to return to a local woman, Nancy Carlson, a NASA bag that was used to collect lunar samples, which turned out to contain moondust. Cyrus Farivar, Ars Technica, 13 June 2018

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

1905, in the meaning defined above

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The first known use of moondust was in 1905

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Last Updated

27 Dec 2021

Cite this Entry

“Moondust.” Dictionary, Merriam-Webster, Accessed 18 Jan. 2022.

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