Lithic

Definition:

(a.) Of or pertaining to stone; as, lithic architecture.
(a.) Pertaining to the formation of uric-acid concretions (stone) in the bladder and other parts of the body; as, lithic diathesis.
(n.) A medicine which tends to prevent stone in the bladder.
(a.) Pertaining to or denoting lithium or some of its compounds.

Compare lithic with other words:

lithia vs. lithic