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Definitions

cosmic dust

NOUN
small particles of matter found in outer space
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"During the last ice age, there was almost no cosmic dust in the Arctic sediments," he said.

From Science Daily • Nov. 13, 2025

Most of the emitted light, for example visible light and X-ray, get blocked by thick layers of cosmic dust and can’t pass through the accretion disk around them.

From Space Scoop • Mar. 27, 2025

Unlike visible light, radio waves from hot gasses are not blocked that easily by cosmic dust.

From Space Scoop • Mar. 27, 2025

One of the most fundamental building blocks in the universe, cosmic dust is a vital ingredient to the growth of a galaxy.

From Science Daily • Jan. 17, 2024

They might be actual monuments, defaced by cosmic dust, by collision with the myriad fragments of the Belt, by time.

From The Legion of Lazarus by Hamilton, Edmond



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