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saltation

[sal-tey-shuh n]
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noun
  1. a dancing, hopping, or leaping movement.
  2. an abrupt movement or transition.
  3. Geology. intermittent, leaping movement of particles of sand or gravel, as from the force of wind or running water.
  4. Biology.
    1. a sudden discontinuity in a line of descent.
    2. a mutation.
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Origin of saltation

1640–50; < Latin saltātiōn- (stem of saltātiō) a dancing, equivalent to saltāt(us) (past participle of saltāre; see saltant) + -iōn- -ion
Related formssal·ta·tion·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

plungediveriseupsurgebouncehurdlefallvaultdropswerveplummetcanterdancespringboundcaperjarlurchstarthop

Examples from the Web for saltation

Historical Examples

  • Saltation is downwind movement of particles in a series of jumps or skips.

    Deserts

    A. S. Walker

  • Particles are transported by winds through suspension, saltation, and creep.

    Deserts

    A. S. Walker

  • A saltating grain may hit other grains that jump up to continue the saltation.

    Deserts

    A. S. Walker

  • As an adaptation to saltation the tibia would elongate at the expense of the femur and the index would be more than 100.

  • Long tail and long hind foot would seem to be specializations for saltation and the two would be expected to be correlated.


British Dictionary definitions for saltation

saltation

noun
  1. biology an abrupt variation in the appearance of an organism, species, etc, usually caused by genetic mutation
  2. geology the leaping movement of sand or soil particles carried in water or by the wind
  3. a sudden abrupt movement or transition
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Word Origin

C17: from Latin saltātiō a dance, from saltāre to leap about
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

Word Origin and History for saltation

n.

"a leap, a bound," 1620s, from Latin saltationem (nominative saltatio) "a dancing; dance," noun of action from past participle stem of saltare "to hop, dance," frequentative of salire "to leap" (see salient (adj.)).

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Online Etymology Dictionary, © 2010 Douglas Harper

saltation in Medicine

saltation

(săl-tāshən, sôl-)
n.
  1. The act of leaping, jumping, or dancing.
  2. Discontinuous movement, transition, or development; advancement by leaps as of a disease or physiologic function.
  3. A single mutation that drastically alters the phenotype.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

saltation in Science

saltation

[săl-tāshən, sôl-]
  1. A single mutation that drastically alters the phenotype.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.