| 释义 |
ra·pa·ki·vi
\|räpəˈkēvē\ noun
(-s)
Etymology: Finnish, from rapa dregs, mud, gravel + kivi stone, rock
: 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 |