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[dih-spur-suh nt] /dɪˈspɜr sənt/
something that disperses.
Physical Chemistry. any admixture to a dispersion capable of maintaining the dispersed particles in suspension.
acting as a dispersant.
Origin of dispersant
1940-45; disperse + -ant Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for dispersant
  • You're adding an anti-foaming additive, a dispersant and a detergent.
  • We found that all of that dispersant added at depth stayed in the deepwater plumes.
  • Neither of the two dispersant-related chemicals were detected in any of the samples collected following aircraft application.
  • Toxicity testing to determine the hazards of eight dispersant products has been performed in two phases.
  • Once the dispersant is applied to the oil slick, the dispersant begins to break down in the environment.
  • The dispersant mission involved two motor vessels, one applying dispersant and one monitoring effectiveness.
  • The dispersant option was then treated as a table top exercise.
  • The dispersant simulation is backed by empirical data on the effectiveness of dispersants and oil composition and properties.
  • Another dispersant test took place this afternoon, don't know results.
British Dictionary definitions for dispersant


a liquid or gas used to disperse small particles or droplets, as in an aerosol
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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