R0179500 (rĭ-zôr′sə-nôl′, -nōl′, -nŏl′) also res·or·cin(rĭ-zôr′sĭn)n. A white crystalline compound, C6H4(OH)2, with bactericidal, fungicidal, and keratolytic properties, used in the treatment of acne and other skin diseases and as a component of dyes and resin adhesives.[res(in) + orc(hil) + -in + -ol.]