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| mi·cro·cline [ mkrō kln ] |
noun |
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| Definition: |
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feldspar mineral: a mineral of the feldspar group that contains potassium. Use: making glass, porcelain.
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| [Mid-19th century. < German Mikroklin< Greek mikros "small" + klinein "to lean"; because its angle of cleavage differs only slightly from 90°] |
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