| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| diapir |
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| SYLLABICATION: | di·a·pir |
| PRONUNCIATION: |  d   -pîr |
| NOUN: | An anticlinal fold in which a mobile core, such as salt or gypsum, has pierced through the more brittle overlying rock. | | ETYMOLOGY: | French, from Greek diapeirein, to push through : dia-, dia- + peirein, to pierce; see per-2 in Appendix I. | | OTHER FORMS: | dia·piric —ADJECTIVE
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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