adjective Eating away; having the power of gradually wearing, hanging, or destroying the texture or substance of a body; as the corrosive action of an acid.
adjective Having the quality of fretting or vexing. Abrasive or undermining within social relationships.
adjective Destroying or undermining something gradually.
noun That which has the quality of eating or wearing away gradually.
noun Any solid, liquid or gas capable of irreparably harming living tissues or damaging material on contact.