Corrosion (4)
There are a few possibilities for this:
'corrosion' is the definition.
(thesaurus)
This is all the clue.
'corrosion' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for wear that I've seen before include "Tackle" , "Clothing; degrade" , "Be clothed in" , "North-east flower" , "fashion" .)
'corrosion' is the definition.
(I know that rust is a type of corrosion)
This is the entire clue.
(Other definitions for rust that I've seen before include "A fungus; a corrosion" , "Reddish oxide coating on iron" , "Reddish-brown colour" , "Corrode" , "Oxidisation" .)