1an act of scattering something:the colossal wastage involved in a random scattering
a small, dispersed amount of something:the scattering of freckles across her cheeks and forehead
2 [mass noun] Physics the process in which electromagnetic radiation or particles are deflected or diffused:scattering is detected by a photomultiplier
scattering in other Oxford dictionaries
Definition of scattering in the US English dictionary