rock-bolt

rock bolt

noun Mining, Civil Engineering.
a steel or fiberglass bolt inserted and anchored in a hole drilled in rock to prevent caving of the roof of a tunnel or subterranean chamber.

Origin:
1955–60

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To rock-bolt
Explore Dictionary.com
Previous Definition: rock-blenny
Next Definition: rock-bottom
Words Near: rock-bolt
More from Thesaurus.com
Synonyms and Antonyms for rock-bolt
More from Reference.com
Search for articles containing rock-bolt
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.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;