Caustic

Name:
Caustic
Detailed information:
(1) Unqualified, this term usually refers to caustic soda (NaOH). (2) As an adjective, it refers to any compound chemically similar to NaOH, e.g., caustic alcohol (C₂H₅ONa). (3) Any strongly alkaline material that has a corrosive or irritating effect on living tissue.