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dis·perse dis-'pərs vb, dis·persed; dis·pers·ing vt to spread or distribute from a fixed or constant source: as
a) to subject (as light) to dispersion
b) to distribute (as fine particles) more or less evenly throughout a medium vi to become dispersed
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dis·perse (dis-pursґ) [dis-1 + L. spargere to scatter] 1. to scatter the component parts, as of a tumor or the fine particles in a colloid system. 2. the particles so scattered.Medical dictionary. 2011.