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crustal

 - 2 dictionary results

crus⋅tal

[kruhs-tl]
–adjective
of or pertaining to a crust, as of the earth.

Origin:
1855–60; < L crūst(a) shell, crust + -al 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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crust·al   (krŭs'təl)   
adj.  Of or relating to a crust, especially that of the earth or the moon.
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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