1. (

• dispersion ,
• scattering

) spreading widely or driving off ;

2. (

• distribution ,
• dispersion

) the spatial or geographic property of being scattered about over a range, area, or volume; "worldwide in distribution"; "the distribution of nerve fibers"; "in complementary distribution" ;

3. (

• dispersion ,
• dispersal ,
• dissemination ,
• diffusion

) the act of dispersing or diffusing something; "the dispersion of the troops"; "the diffusion of knowledge" ;