Definition of ventifact in English:

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Pronunciation: /ˈven(t)əˌfakt/


A stone shaped by the erosive action of windblown sand.
Example sentences
  • During intervening dry periods, winds scour the fan surfaces and sandblast exposed gravel clasts to produce smooth faceted ventifacts.
  • In reality, their makers are definitely of this land, for it is the wind and sand that have formed these strange offerings, called ventifacts.
  • The camera becomes the eye of the wind, forming ventifacts.


Early 20th century: from Latin ventus 'wind' + factum, neuter past participle of facere 'make'.

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