nouns
a small number (of something) dispersed haphazardly
"the first scatterings of green"; "a sprinkling of grey at his temples"
the physical process in which particles are deflected haphazardly as a result of collisions
is a part of
the reduction of the intensity of radiation as a consequence of absorption and radiation
is a type of (narrower)
a process existing in or produced by nature (rather than by the intent of human beings)
"the action of natural forces"; "volcanic activity"
a light shower that falls in some locations and not others nearby
spreading widely or driving off