dispersion

Noun

• the act of dispersing or diffusing something
  • the dispersion of the troops
    
  • the diffusion of knowledge
    

• 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
    

• spreading widely or driving off

Related words

• Synonyms: 
  dispersal , dissemination , diffusion , distribution , scattering
• Antonyms: 
  concentration , density , denseness , tightness , compactness