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salt dome
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noun Geology.
a domelike rock structure that is formed beneath the earth's surface by the upward movement of a mass of salt, may reach thousands of feet in vertical extent, and is more or less circular in plan: often associated with oil and gas pools.
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Origin of salt dome
First recorded in 1905–10
Words nearby salt dome
salt cedar, saltcellar, salt chuck, saltchucker, salt cod, salt dome, Salteaux, salted, Salten, salter, saltern
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for salt dome
salt dome
salt plug
noun
a domelike structure of stratified rocks containing a central core of salt: formed by the upward movement of a salt deposit
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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