rock bolt

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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.

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navy

beryl

azure

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Origin of rock bolt

First recorded in 1955–60

Words nearby rock bolt

rock and rye, rockaway, rock bass, rock beauty, rock blenny, rock bolt, rock boot, rock borer, rock bottom, rock-bound, rock brake

How to use rock bolt in a sentence

The atmosphere on campuses has gotten repressive enough that comedian Chris Rock no longer plays colleges.
How the PC Police Threaten Free Speech|Nick Gillespie|January 9, 2015|DAILY BEAST
And, as the enigmatic front man to an avant garde indie rock group, he is droll, perceptive, and splendidly weird.
Oscars 2015: The Daily Beast’s Picks, From Scarlett Johansson to ‘Boyhood’|Marlow Stern|January 6, 2015|DAILY BEAST
My ball bounced back and the rock rolled just a little bit forward.
Lost For Thousands of Strokes: 'Desert Golfing' Is 'Angry Birds' as Modern Art|Alec Kubas-Meyer|January 2, 2015|DAILY BEAST
I think 2014 was my big rock and roll year, and 2015 is gonna be a really good year to hang around the house.
Deer Tick's John McCauley on Ten Years in Rock and Roll|James Joiner|January 2, 2015|DAILY BEAST

Yes, it was a fairly disappointing year in music—one devoid of Goth teen prodigies, Yeezy, and galvanizing rock anthems.
The 14 Best Songs of 2014: Bobby Shmurda, Future Islands, Drake, and More|Marlow Stern|December 31, 2014|DAILY BEAST
The offspring of the ungodly shall not bring forth many branches, and make a noise as unclean roots upon the top of a rock.
The Bible, Douay-Rheims Version|Various
There lay Bob Rock, covered with blood, and apparently insensible.
Blackwood's Edinburgh Magazine, No. CCCXXXIX. January, 1844. Vol. LV.|Various
When she heard it there came before her imagination the figure of a man standing beside a desolate rock on the seashore.
The Awakening and Selected Short Stories|Kate Chopin
It was a pretty house, stood a little apart from the forge, and was called Rock Villa.
Fifty Years of Railway Life in England, Scotland and Ireland|Joseph Tatlow
Between each group of figures the face of the rock was scored with mysterious signs and rudely limned weapons of war and chase.
Raw Gold|Bertrand W. Sinclair