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regolith

 - 3 dictionary results

reg⋅o⋅lith

  [reg-uh-lith]
Use regolith in a Sentence
–noun
mantle rock.
Origin:
1895–1900; < Gk rhêgo(s) rug, blanket + -lith
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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reg·o·lith   (rěg'ə-lĭth')   
n.  The layer of loose rock resting on bedrock, constituting the surface of most land. Also called mantle rock.

[Greek rhēgos, blanket + -lith.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
regolith   (rěg'ə-lĭth')  Pronunciation Key 
The layer of rock and mineral fragments that rests on bedrock and is produced by the weathering of rocks. Regolith constitutes the surface of most land.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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