caprock

cap rock

noun Geology.
1.
a mass of anhydrite, gypsum, or limestone immediately above the salt of a salt dome.
2.
an impervious stratum overlying an oil- or gas-bearing structure.
Also, cap·rock.

Origin:
1865–70, Americanism

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To caprock
Collins
World English Dictionary
cap rock
 
—n
1.  a layer of rock that overlies a salt dome and consists of limestone, gypsum, etc
2.  a layer of relatively impervious rock overlying an oil- or gas-bearing rock

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Caprock is always a great word to know.
So is zedonk. Does it mean:
the offspring of a zebra and a donkey.
a chattering or flighty, light-headed person.
LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...
Partners:WordBloglinesCitysearchThe Daily BeastAsk AnswersAsk KidsLife123SendoriHome Advisor
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
About PRIVACY POLICY Terms API Careers Advertise with Us Contact Us Suggest a Word Help
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT