单词 | ventifact |
释义 | ventifact/ˈvɛntɪfakt /noun Geology A stone shaped by the erosive action of wind-blown sand.During intervening dry periods, winds scour the fan surfaces and sandblast exposed gravel clasts to produce smooth faceted ventifacts....
OriginEarly 20th century: from Latin ventus 'wind' + factum, neuter past participle of facere 'make'. |
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