the univalent group C 6 H 5 –, derived from benzene.
[fen-l-hahy-druh-zeen, -zin, feen-] /ˌfɛn lˈhaɪ drəˌzin, -zɪn, ˌfin-/ noun, Chemistry. 1. a yellow, poisonous liquid or low-melting solid, C 6 H 8 N 2 , used in chemical analysis and organic synthesis.
[fuh-nil-ik] /fəˈnɪl ɪk/ noun, Chemistry. 1. (def 1).
noun, Chemistry. 1. a liquid reagent, C 7 H 5 NO, having an unpleasant, irritating odor: used chiefly for identifying alcohols and amines.
[fen-l-kee-toh-noo r-ee-uh, -nyoo r-, feen-] /ˌfɛn lˌki toʊˈnʊər i ə, -ˈnyʊər-, ˌfin-/ noun, Pathology. 1. an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy. /ˌfiːnaɪlˌkiːtəˈnjʊərɪə/ noun 1. a congenital metabolic disorder characterized by the abnormal accumulation of phenylalanine […]