upthrust

[uhp-thruhst]
noun
  1. a thrust in an upward direction.
  2. a sudden and forceful upward movement, as of a nation's economy or the stock market: Market observers are hoping the upthrust can be sustained.
  3. Geology. an upheaval.
verb (used without object)
  1. to thrust upward: Frost caused the ground to upthrust.

Origin of upthrust

First recorded in 1840–50; up- + thrust
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for upthrust

Historical Examples of upthrust

  • The dot at the center is not elongated enough to be considered an upthrust.

    The Science of Fingerprints

    Federal Bureau of Investigation

  • Figure 149 is a tented arch because of the upthrust present at the center of the pattern.

    The Science of Fingerprints

    Federal Bureau of Investigation

  • The tented arch is directly beneath the innermost loop, and is of the upthrust type.

    The Science of Fingerprints

    Federal Bureau of Investigation

  • This pattern must be classified as a loop, as a dot may not be considered an upthrust unless elongated vertically.

    The Science of Fingerprints

    Federal Bureau of Investigation

  • Figure 327 is a tented arch, not because of the dot, however, as it cannot be considered an upthrust.

    The Science of Fingerprints

    Federal Bureau of Investigation


British Dictionary definitions for upthrust

upthrust

noun
  1. an upward push or thrust
  2. geology a violent upheaval of the earth's surface
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