(1):
(n.) That which has the quality of eating or wearing away gradually.
(2):
(a.) Having the quality of fretting or vexing.
(3):
(a.) Eating away; having the power of gradually wearing, changing, or destroying the texture or substance of a body; as, the corrosive action of an acid.
(4):
(n.) That which has the power of fretting or irritating.