iezis

Noun

 * 1)  rock mineral layer on the crust of the Earth or of other celestial bodies
 * 2)  rock outcrop of such mineral layers, forming a steep slope
 * 1)  rock outcrop of such mineral layers, forming a steep slope
 * 1)  rock outcrop of such mineral layers, forming a steep slope
 * 1)  rock outcrop of such mineral layers, forming a steep slope
 * 1)  rock outcrop of such mineral layers, forming a steep slope
 * 1)  rock outcrop of such mineral layers, forming a steep slope
 * 1)  rock outcrop of such mineral layers, forming a steep slope
 * 1)  rock outcrop of such mineral layers, forming a steep slope
 * 1)  rock outcrop of such mineral layers, forming a steep slope
 * 1)  rock outcrop of such mineral layers, forming a steep slope
 * 1)  rock outcrop of such mineral layers, forming a steep slope

Usage notes
In the sense of "mineral layer", is almost always used in the plural; the singular forms are very infrequent.