rock dust

noun
a crushed limestone sprayed on surfaces in mines to make coal dust incombustible in case of a gas explosion.

Origin:
1930–35

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To rock dust
Explore Dictionary.com
Previous Definition: rock drill
Next Definition: rock edicts
Words Near: rock dust
More from Thesaurus.com
Synonyms and Antonyms for rock dust
More from Reference.com
Search for articles containing rock dust
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Example sentences
Rock dust on the green felt, cowboy ballads on the jukebox.
He maintains that bags of rock dust had been placed there and that when he left the area it was white in color.
Employee was carrying rock dust bags from the rock dust car to a battery powered scoop.
If rock dust is used as fire protection along such haulage tracks, the rock dust shall be in a dry, usable condition at all times.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;