A corrosive substance is a type of material that can cause chemical burns or other damage to living tissue. The four solutions for the term CORROSIVE SUBSTANCE are ACID (4 letters), OZONE (5 letters), LYE (3 letters), and ALKALI (6 letters). Acids are compounds that release hydrogen ions when dissolved in water, and are typically sour in taste. OZONE is a form of oxygen that is highly reactive and toxic to living organisms. LYE is a strong alkaline solution, usually made from sodium hydroxide, that can cause severe burns if it comes into contact with skin. Alkalis are substances that have a pH greater than 7 and are capable of neutralizing acids.