of the color of slate or granite
a lump or mass of hard consolidated mineral matter
building material consisting of a piece of rock hewn in a definite shape for a special purpose
material consisting of the aggregate of minerals like those making up the Earth's crust
of an achromatic color of any lightness intermediate between the extremes of white and black
a neutral achromatic color midway between white and black
showing characteristics of age, especially having grey or white hair
used to signify the Confederate forces in the American Civil War (who wore grey uniforms)
clothing that is a grey color
any organization or party whose uniforms or badges are grey
