cosmic dust

noun

: very fine particles of solid matter found in any part of the universe

Examples of cosmic dust in a Sentence

Recent Examples on the Web
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These included a magnetometer to measure magnetic fields, a Geiger counter to measure radiation, a cosmic-ray telescope, a cosmic dust detector, and the television camera. Rod Pyle, Space.com, 14 July 2025 Colossal lanes of cosmic dust can be seen silhouetted against the glowing cloud of interstellar gas forming the bulk of the iconic nebula. Anthony Wood, Space.com, 13 June 2025 The basic physics that would propel a Sprite is the same as for cosmic dust. IEEE Spectrum, 28 July 2011 It’s made up of billions of stars, massive clouds of gas and cosmic dust. Valerie Mesa, People.com, 20 May 2025 See All Example Sentences for cosmic dust

Word History

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of cosmic dust was in 1881

Cite this Entry

“Cosmic dust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmic%20dust. Accessed 29 Jul. 2025.

Kids Definition

cosmic dust

noun
: very fine particles of solid matter found in any part of the universe
Last Updated: - Updated example sentences
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