Definition of corrosion noun from the Oxford Advanced Learner's Dictionary

 

corrosion

 noun
noun
BrE BrE//ˈrəʊʒn//
 
; NAmE NAmE//ˈroʊʒn//
 
[uncountable]
 
jump to other results
the process of destroying something slowly, especially by chemical action; the condition that results from this process Look for signs of corrosion. Clean off any corrosion before applying the paint.