1. 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. "Corrosive liquors." Grew. "Corrosive famine."Thomson. 2. Having the quality of fretting or vexing. Care is no cure, but corrosive. Shak. Corrosive sublimate (Chem.), mercuric chloride, HgCl2; so called because...