WordReference Random House Learner's Dictionary of American English © 2015
dis•perse /dɪˈspɝs/USA pronunciation v., -persed, -pers•ing.
  1. to (cause to) separate and move in different directions;
    (cause to) become scattered: [no object]The crowd dispersed when the police arrived.[+ object]The riot police dispersed the crowd.
  2. [+ object] to spread widely; disseminate:The seeds were dispersed on the plowed land.
  3. to (cause to) vanish: [no object]When the sun came out, the fog dispersed.[+ object]The wind dispersed the fog.

Collins Concise English Dictionary © HarperCollins Publishers::

disperse /dɪˈspɜːs/ vb
  1. to scatter; distribute over a wide area
  2. to dissipate or cause to dissipate
  3. to leave or cause to leave a gathering, often in a random manner
  4. to separate or be separated by dispersion
  5. (transitive) to diffuse or spread (news, information, etc)
  6. to separate (particles) throughout a solid, liquid, or gas, as in the formation of a suspension or colloid
  1. of or consisting of the particles in a colloid or suspension: disperse phase
Etymology: 14th Century: from Latin dispērsus scattered, from dispergere to scatter widely, from di-² + spargere to strew

disˈperser n USAGE

'disperse' also found in these entries:

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