dissemination in WordNet English dictionary

1. the opening of a subject to widespread discussion and debate
   dissemination  airing  public exposure  spreading 
   
2. the act of dispersing or diffusing something
   "the dispersion of the troops"; "the diffusion of knowledge"
   dispersion  dispersal  dissemination  diffusion 
   
3. the property of being diffused or dispersed
   dissemination  diffusion