Meaning : Move away from each other.
Example :
The crowds dispersed.
The children scattered in all directions when the teacher approached.
Synonyms : dissipate, scatter, spread out
Meaning : Separate (light) into spectral rays.
Example :
The prism disperses light.
Meaning : Cause to become widely known.
Example :
Spread information.
Circulate a rumor.
Broadcast the news.
Synonyms : broadcast, circularise, circularize, circulate, diffuse, disseminate, distribute, pass around, propagate, spread