- 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. 2018
Examples from the Web for ripple mark
What is known as the "ripple-mark" in sandstone surfaces may be produced in various ways.Logic, Inductive and Deductive
- 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