carbolic acid, phenol, hydroxybenzene, oxybenzene, phenylic acid

a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally

• acid — any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
• solvent, dissolvent, dissolver, dissolving agent, resolvent — a liquid substance capable of dissolving other substances