Pronunciation: (di-spûrs'), [key]
—v., -persed, -pers•ing,
1. to drive or send off in various directions; scatter: to disperse a crowd.
2. to spread widely; disseminate: to disperse knowledge.
3. to dispel; cause to vanish: The wind dispersed the fog.
4. Physical Chem.to cause (particles) to separate uniformly throughout a solid, liquid, or gas.
5. Optics.to subject (light) to dispersion.
1. to separate and move apart in different directions without order or regularity; become scattered: The crowd dispersed.
2. to be dispelled; be scattered out of sight; vanish: The smoke dispersed into the sky.
Physical Chem.noting the dispersed particles in a dispersion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.