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pet·ro·glyph
 petroglyph
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- pronunciation:
- pe
tr
glIf
- features:
- Word Parts
| part of speech: |
noun |
| definition: |
a drawing or carving on rock, esp. from prehistoric times.
Scientists have yet to determine the age of petroglyphs discovered in the canyon. |
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| derivation: |
petroglyphic (adj.) |
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