Litho is defined as relating to stone or lithium.
(prefix)An example of litho used as a prefix is in the word lithograph, a method of printing originally using a flat, smooth stone.
See litho in Webster's New World College Dictionary
Origin: < Gr lithos, a stone
See litho in American Heritage Dictionary 4
noun pl. lith·os
or lith-
prefixOrigin:
Origin: Greek
Origin: , from lithos, stone
.Learn more about litho