Try Our Apps
Dictionary.com

follow Dictionary.com

Avoid these words. Seriously.

cap rock

or caprock

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.
Origin of cap rock
1865-1870
An Americanism dating back to 1865-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
British Dictionary definitions for cap rock

cap rock

noun
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 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Nearby words for cap rock

Word Value for cap

7
9
Scrabble Words With Friends