A ventifact is a stone that has been shaped, polished, or faceted by the force of windblown sand.
A ventifact is a stone that has been shaped, polished, or faceted by the action of windblown sand.
| Front | ventifact \VEN-tuh-fact\ |
|---|---|
| Back | noun A stone shaped, polished, or faceted by windblown sand. [From Latin venti- (wind), from ventus (wind) + factum (something made), from facere (to make or do). First recorded use: 1911. Also see yardang.] "On that last trip, I knelt by the river and took a stone from the deep pockets of my wind pants. It was a black ventifact, an igneous rock. During eons of exposure to the wind, its surface had become smooth and polished." |
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