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| lam·pro·phyre [ lámprə fr ] (plural lam·pro·phyres) |
noun |
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| Definition: |
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igneous rock: an igneous rock that occurs mainly as an intrusion or dike containing large crystals, especially of biotite and mica
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| [Late 19th century. < German lamprophyr, literally "shining purple" < Greek (por)phureos "purple"] |
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