- 1. A combining form from Gr. / a rock, / a stone; as, petrology, petroglyphic. Source: opted
- 2. A combining form from Gr. rock, stone; as, petrology, petroglyphic. Source: webster
- 3. A combining form from Gr. rock, stone; as, petrology,petroglyphic. Source: adambom
- 4. A combining form from Gr. / a rock, / a stone; as, petrology, petroglyphic. Source: ecdict
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