noun Geology.

a pebble or cobble that has been faceted, grooved, and polished by the erosive action of wind-driven sand.

Nearby words

  1. vent window,
  2. ventage,
  3. ventail,
  4. ventana cave,
  5. venter,
  6. ventilate,
  7. ventilation,
  8. ventilation-perfusion scan,
  9. ventilationist,
  10. ventilative

Origin of ventifact

1910–15; < Latin venti- (combining form of ventus wind1) + factum something made (see fact); perhaps modeled on artifact Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for ventifact



geology a pebble that has been shaped by wind-blown sand
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for ventifact



A rock or pebble that has been shaped, polished, or faceted by wind-driven sand.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.