siltstone
[ silt-stohn ]
/ ˈsɪltˌstoʊn /
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noun Petrography.
a very fine-grained sandstone, mainly consolidated silt.
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Let’s start with some etymology: What are the origins of the typographical word “bracket”?
First appeared around 1750, and is related to the French word “braguette” for the name of codpiece armor.
First appeared in 1610, based on the French word “baguette” for the long loaf of bread.
First appeared in 1555, and is related to the French word “raquette” for a netted bat.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for siltstone
siltstone
/ (ˈsɪltˌstəʊn) /
noun
a variety of fine sandstone formed from consolidated silt
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Scientific definitions for siltstone
siltstone
[ sĭlt′stōn′ ]
A fine-grained sedimentary rock consisting primarily of compacted and hardened silt. Siltstones are similar to shale but without laminations. They vary in color from black or gray to brown or red.
The American Heritage® Science Dictionary
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