1. a stone or rock that has been shaped, worn, or polished by wind-blown sand or dust
Usage: geological

Examples

• The geologist identified several ventifacts scattered across the desert floor.
• Wind erosion over thousands of years created these smooth ventifacts.
• The expedition collected ventifacts to study ancient wind patterns.
• These polished stones are ventifacts formed by sandblasting winds.
• The museum’s geology exhibit featured ventifacts from the Sahara Desert.
• Researchers use ventifacts to understand past climate conditions.