follow Dictionary.com

What is the X in X-mas?

arkose

[ahr-kohs] /ˈɑr koʊs/
noun
1.
a granular sedimentary rock composed of quartz and feldspar or mica; a feldspathic sandstone.
Origin
1830-1840
1830-40; < French
Related forms
arkosic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for arkose

arkose

/ˈɑːkəʊs/
noun
1.
a sandstone consisting of grains of feldspar and quartz cemented by a mixture of quartz and clay minerals
Word Origin
C19: from French
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
Cite This Source
arkose in Science
arkose
  (är'kōs)   
A usually pinkish or red sandstone consisting primarily of quartz and feldspar. Arkose usually forms as the result of the rapid disintegration of granite in areas of vigorous erosion. Its grains are usually angular and poorly sorted (mixed randomly in differing sizes).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for arkose

Some English speakers likely know this word

Word Value for arkose

0
10
Scrabble Words With Friends