petroglyphic

English

Etymology

From petroglyphy +‎ -ic.

Adjective

petroglyphic (not comparable)

1. Of or pertaining to petroglyphs.

   petroglyphic study

   petroglyphic system

References

• “petroglyphic”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.