ripple mark

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noun Geology.

one of the wavy lines or ridges produced, especially on sand, by the action of waves, wind, or the like.

one of such forms preserved in sandstone or siltstone.

Origin of ripple mark

First recorded in 1825–35

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for ripple mark

corrugation, kink, rugosity

Examples from the Web for ripple mark

Historical Examples of ripple mark

What is known as the "ripple-mark" in sandstone surfaces may be produced in various ways.
Logic, Inductive and Deductive
William Minto

British Dictionary definitions for ripple mark

ripple mark

noun

one of a series of small wavy ridges of sand formed by waves on a beach, by a current in a sandy riverbed, or by wind on land: sometimes found fossilized on bedding planes of sedimentary 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