rapakivi

noun ra·pa·ki·vi \ ¦räpəˈkēvē \

Definition of rapakivi

plural -s
: a coarse red granite quarried in Finland having curious ovoid ringed feldspars composed of central cores of orthoclase surrounded by a shell of oligoclase and being much used for building in northern Russia

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Origin and Etymology of rapakivi

Finnish, from rapa dregs, mud, gravel + kivi stone, rock


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