(ˈ)jen.|ti]sik-, ]zik- noun
Etymology: International Scientific Vocabulary gentis in + -ic
: a crystalline acid C 6 H 3 (OH) 2 COOH formed by fusion of gentisin with caustic and by biological oxidation of salicylic acid and used in medicine in the form of its sodium salt similarly to sodium salicylate; 2,5-dihydroxy-benzoic acid