rapakivi

noun

ra·​pa·​ki·​vi
¦räpəˈkēvē
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

Word History

Etymology

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

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Cite this Entry

“Rapakivi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rapakivi. Accessed 25 Feb. 2024.

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