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dispersal

[dih-spur-suh l] /dɪˈspɜr səl/
noun
1.
dispersion (def 1).
Origin
1815-1825
1815-25; disperse + -al2
Related forms
nondispersal, noun
redispersal, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for dispersal
  • dispersal: some movement to lower elevation in northern part of range.
  • Researchers had thought this species might be a fluke-a single, short-lived dispersal of one type of tetrapod.
  • dispersal: this species is not migratory, but some individuals can disperse long distances.
  • dispersal: generally resident, but large irruptions casually occur in fall and winter.
  • Whether this relates to the ambience of the light or to the dispersal of predators, however, remains to be seen.
  • Whenever a barrier can be overcome by a breeding pair or more, successful dispersal has happened.
  • The researchers also tested the effect corridors had on seed dispersal by birds.
  • So, dispersal theory predicts that transoceanic dispersal should be a common event.
  • Perhaps the dispersal of the males is a multi-faceted defense mechanism.
  • Frequency of social play does not affect dispersal partnerships in wild meerkats.
British Dictionary definitions for dispersal

dispersal

/dɪˈspɜːsəl/
noun
1.
the act of dispersing or the condition of being dispersed
2.
the spread of animals, plants, or seeds to new areas
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
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Word Origin and History for dispersal
n.

1821; see disperse + -al (2).

Online Etymology Dictionary, © 2010 Douglas Harper
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