Correct spelling for the English word "cresin" is [kɹˈɛsɪn], [kɹˈɛsɪn], [k_ɹ_ˈɛ_s_ɪ_n] (IPA phonetic alphabet).
A clear brown liquid containing 25 parts of cresol in 75 parts of a solution of sodium cresoxylacetate; disinfectant.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.