moon dust
Americannoun
Etymology
Origin of moon dust
First recorded in 1900–05
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.
However, samples of moon dust, or regolith, from the Apollo missions suggest it may be present there at relatively high concentrations.
From BBC ● Jun. 16, 2026
Human beings first disturbed moon dust on Sept. 13, 1959, when the USSR's unmanned spacecraft Luna 2 alighted on the lunar surface.
From Science Daily ● Dec. 8, 2023
Measuring individual uranium and lead atoms found in crystallized moon dust particles, a team of researchers estimated Monday that the moon is actually 4.46 billion years old.
From Salon ● Oct. 23, 2023
The team found that aggregates of fluffy and highly porous particles scattered light the best, but they opted for a particle perhaps more easily accessible in space: moon dust.
From Washington Post ● Feb. 8, 2023
But a long time ago the glass ceiling over the terrarium had cracked, and so everything was dead, and there was moon dust all over everything out there.
From "Feed" by M.T. Anderson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
