verb (used with object), dispersed, dispersing.
to drive or send off in various directions; scatter: to disperse a crowd.
to spread widely; disseminate: to disperse knowledge.
to dispel; cause to vanish: The wind dispersed the fog.
Physical Chemistry. to cause (particles) to separate uniformly throughout a solid, liquid, or gas.
Optics. to subject (light) to dispersion.
verb (used without object), dispersed, dispersing.
to separate and move apart in different directions without order or regularity; become scattered: The crowd dispersed.
to be dispelled; be scattered out of sight; vanish: The smoke dispersed into the sky.
Physical Chemistry. noting the dispersed particles in a dispersion.

1350–1400; Middle English dispersen, disparsen (< Middle French disperser) < Latin dispersus (past participle of dispergere), equivalent to di- di-2 + -sper(g)- scatter (stem of -spergere, combining form of spargere to scatter, strew) + -sus past participle suffix

dispersedly [dih-spur-sid-lee] , adverb
disperser, noun
dispersibility, noun
dispersible, adjective
predisperse, verb (used with object), predispersed, predispersing.
redisperse, verb, redispersed, redispersing.
undispersed, adjective
undispersing, adjective
well-dispersed, adjective

1. disperse, disburse ; 2. disperse, dispose.

1. See scatter. 2. sow, broadcast. 7. disappear, evanesce.

1. combine, collect.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
disperse (dɪˈspɜːs)
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.  (tr) 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
7.  of or consisting of the particles in a colloid or suspension: disperse phase
[C14: from Latin dispērsus scattered, from dispergere to scatter widely, from di-² + spargere to strew]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

mid-15c., from M.Fr. disperser "scatter," from L. dispersus, pp. of dispergere "to scatter," from dis- "apart, in every direction" + spargere "to scatter" (see sparse). The L. word is glossed in O.E. by tostregdan. Related: Dispersed; dispersing.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

disperse dis·perse (dĭ-spûrs')
v. dis·persed, dis·pers·ing, dis·pers·es

  1. To cause to separate and move in different directions; scatter.

  2. To cause to vanish or disappear.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Scientists warn that the dispersed oil, as well as the dispersants themselves,
  might cause long-term harm to marine life.
And the dispersed oil has not exactly gone: it simply has a better chance of
  biodegrading, and less chance of coming ashore.
It says the colored panels don't need to face the sun and can absorb dispersed
Because they had lost the animals that ate their fruit and dispersed their
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