The gradual destruction or undermining of something.
Erosion by chemical action, especially oxidation.
A substance (such as rust) so formed.
The act of corroding or the condition so produced.
Any progression of decay, corruption, or obsolescence.
The crumbly, friable decayed portions of wooden members of buildings, especially at or below grade, usually caused by a fungal infection.
A fungal infection which affects plants, in particular potatoes.