A combining form from Gr.
prop. n. A genus of perennial tussock-forming rock plants; native to the Pyrenees and mountains of Northern Spain; it is similar to and sometimes placed in the genus
n. [ NL., fr. Gr.
n. A carving or drawing on rock, especially one made by prehistoric humans; called also a
a. Of or pertaining to petroglyphs or petroglyphy. [ 1913 Webster ]
n. [ Petro + Gr.
n. A carving or drawing on rock, especially one made by prehistoric humans; called also a
n. [ Petro + -graphy. ]
a. [ Petro + hyoid. ] (Anat.) Pertaining to the petrous, or periotic, portion of the skull and the hyoid arch;