core barrel

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noun

(in a core drill) a length of pipe for holding rock cores while they are being extracted from the drill hole.

QUIZ

ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.

Question 1 of 8

Which of the following words describes “sky blue”?

navy

beryl

azure

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Words nearby core barrel

cordwain, cordwainer, cordwood, core, Corea, core barrel, corecipient, core city, corecleisis, core competency, corectasia

How to use core barrel in a sentence

It is a spy series at its core, but you guys never really pull from the headlines.
‘Archer’ Creator Adam Reed Spills Season 6 Secrets, From Surreal Plotlines to Life Post-ISIS|Marlow Stern|January 8, 2015|DAILY BEAST
Another read: “We need leaders who will stand against Common Core.”
Rand Paul’s Passive-Aggressive Trolling Campaign|Olivia Nuzzi|January 6, 2015|DAILY BEAST
A soldier in the service of ideals and aspirations that formed his core.
Mario Cuomo, Always Moving Us Toward the Light|Mike Barnicle|January 4, 2015|DAILY BEAST
Some of them would open up deep splits in core Democratic constituencies.
Thank Congress, Not LBJ for Great Society|Julian Zelizer, Scott Porch|January 4, 2015|DAILY BEAST

Politicians who openly associated with Duke, or his hard-core associates, did so at their own risk.
The Louisiana Racists Who Courted Steve Scalise|Jason Berry|January 3, 2015|DAILY BEAST
One hundred to the right barrel—nothing left for the second barrel!
Gallipoli Diary, Volume I|Ian Hamilton
It wasn't any scruple of mercy, for Hicks was as cold-blooded a brute as ever glanced down a gun-barrel.
Raw Gold|Bertrand W. Sinclair
A Laplander who cannot get Tobacco sucks chips of a barrel or pieces of anything else which has contained it.
Tobacco; Its History, Varieties, Culture, Manufacture and Commerce|E. R. Billings.
In the fall the barrel of his rifle had been so covered with dead leaves and dust that he could not take aim.
Hunting the Lions|R.M. Ballantyne
The second barrel was discharged with no better result, except that a splinter of its horn was knocked off.
Hunting the Lions|R.M. Ballantyne