from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A sedimentary rock formed by the consolidation and compaction of sand and held together by a natural cement, such as silica.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A sedimentary rock produced by the consolidation and compaction of sand, cemented with clay etc.
from the GNU version of the Collaborative International Dictionary of English
- n. A rock made of sand more or less firmly united. Common or siliceous sandstone consists mainly of quartz sand.
from The Century Dictionary and Cyclopedia
- n. A rock formed by the consolidation of Sand.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.)
Sorry, no etymologies found.