volcanic ash
Americannoun
Etymology
Origin of volcanic ash
First recorded in 1790–1800
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.
In a video provided to the BBC by rescue officials, workers could be seen digging through a thick layer of black volcanic ash beneath a large rock and retrieving bone fragments.
From BBC • May 11, 2026
"It is known that volcanoes emit methane during eruptions, but until now it was not known that volcanic ash is also capable of partially cleaning up this pollution," he adds.
From Science Daily • May 10, 2026
Scientists were able to determine the age of the fossils because they were preserved between two distinct layers of volcanic ash inside the cave.
From Science Daily • Mar. 26, 2026
The results showed that the eggshells could be dated with an accuracy of about five percent when compared with ages determined from volcanic ash layers.
From Science Daily • Dec. 21, 2025
After the eruption of Vesuvius, volcanic ash had buried the city and hardened to rock around dying Pompeians.
From "Blood of Olympus" by Rick Riordan
![]()
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.