Definition of acid rain noun from the Oxford Advanced Learner's Dictionary


acid rain

BrE BrE//ˌæsɪd ˈreɪn//
; NAmE NAmE//ˌæsɪd ˈreɪn//
[uncountable] Rain, Waste and pollution
jump to other results
rain that contains harmful chemicals from factory gases and that damages trees, crops and buildings Sulphur, falling as acid rain, is killing fish in the Great Lakes. See related entries: Rain, Waste and pollution
See the Oxford Advanced American Dictionary entry: acid rain