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dunite

 - 3 dictionary results

du⋅nite

[doo-nahyt, duhn-ahyt]
–noun
a coarse-grained igneous rock composed almost entirely of olivine.

Origin:
1865–70; named after Mt. Dun in New Zealand, where it is found; see -ite 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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du·nite   (dōō'nīt', dŭn'īt')   
n.  A dense igneous rock that consists mainly of olivine and is a source of magnesium.

[After Mount Dun in northern South Island, New Zealand.]
du·nit'ic (dōō-nĭt'īk, də-) adj.
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
dunite   (d'nīt', dŭn'īt')  Pronunciation Key 
A coarse-grained igneous rock that consists mainly of olivine.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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