Ripple-mark
noun, Geology.
1.
one of the wavy lines or ridges produced, especially on sand, by the action of waves, wind, or the like.
2.
one of such forms preserved in sandstone or siltstone.
noun
1.
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
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noun 1. a person who ripples flax, hemp, etc. 2. an instrument for rippling; ripple.
- Ripplet
noun 1. a small ripple. noun 1. a tiny ripple
- Ripple-tank
noun 1. a shallow container of water in which waves are produced by vibrating an object in the water, used to observe or demonstrate wave phenomena.
- Ripply
adjective 1. characterized by ripples; rippling. 2. sounding like rippling water.
- Riprap
noun 1. a quantity of broken stone for foundations, revetments of embankments, etc. 2. a foundation or wall of stones thrown together irregularly. verb (used with object), riprapped, riprapping. 3. to construct with or strengthen by stones, either loose or fastened with mortar.