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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 peg·ma·tite /ˈpɛgməˌtaɪt/
 偉晶岩

From: Webster's Revised Unabridged Dictionary (1913)

 Peg·ma·tite n.  Min. (a) Graphic granite. See under Granite. (b) More generally, a coarse granite occurring as vein material in other rocks.
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From: WordNet (r) 2.0

 pegmatite
      n : a form of igneous rock consisting of extremely coarse
          granite resulting from the crystallization of magma rich
          in rare elements