petˈrōglyph noun

(Gr glyphein to carve) a rock-carving, esp prehistoric

petrōglyphˈic adjective

petˈrōglyphy noun

petˈrōgram noun

(Gr gramma a drawing) a picture on stone

petrogˈrapher noun

petrographˈic or petrographˈical adjective (petrographic province (geology)

A region characterized by a group of genetically related rocks)

petrographˈically adverb

petrogˈraphy noun

(Gr graphein to write) the systematic description and classification of rocks

petrologˈical adjective

petrologˈically adverb

petrolˈogist noun

petrolˈogy noun

(Gr logos discourse) the science of the origin, chemical and mineral composition and structure, and alteration of rocks

petrōphysˈical adjective

petrōphysˈicist noun

petrōphysˈics singular noun

(Gr physikos natural) that branch of physics relating to the physical properties of rocks