(1) Spreading by diffusion
(2) The act of scattering
(3) Spreading widely or driving off
(4) A light shower that falls in some locations and not others nearby
(5) The physical process in which particles are deflected haphazardly as a result of collisions
(6) A small number (of something) dispersed haphazardly
"The first scatterings of green"
"A sprinkling of grey at his temples"