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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Dol·er·ite n.  Petrography (a) A dark, crystalline, igneous rock, chiefly pyroxene with labradorite. (b) Coarse-grained basalt. (c) Diabase. (d) Any dark, igneous rock composed chiefly of silicates of iron and magnesium with some feldspar. -- Dol*er*it*ic a.
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From: Webster's Revised Unabridged Dictionary (1913)

 Dol·er·it·ic a. Of the nature of dolerite; as, much lava is doleritic lava.
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