From Biology-Online Dictionary
Jump to: navigation, search


Resembling slate; having the nature, appearance, or properties, of slate; composed of thin parallel plates, capable of being separated by splitting; as, a slaty colour or texture. Slaty cleavage, a variety of gneiss in which the scales of mica or crystals of hornblende, which are usually minute, form thin laminae, rendering the rock easily cleavable.

Origin: From Slate.