SLATE n. 2 definitions
ound of alumina and silica, and often used for making fire bricks. Tomlinson. -- Slate globe, a globe the surface of which is made of an artificial slatelike material. -- Slate pencil, a pencil of slate, or of soapstone, used for writing on a slate. -- Slate rocks (Min.), rocks which split into thin laminæ, not nece…
SPHERE n.
Hence, any globe or globular body, especially a celestial one, as the sun, a planet, or the earth. Of celestial bodies, first the sun, A mighty sphere, he framed. Milton.