variant of before a vowel:
[awr-nuh-theen] /ˈɔr nəˌθin/ noun, Biochemistry. 1. an amino acid, H 2 N(CH 2) 3 CH(NH 2)COOH, obtained by the hydrolysis of arginine and occurring as an intermediate compound in the urea cycle of mammals. /ˈɔːnɪˌθiːn/ noun 1. an amino acid produced from arginine by hydrolysis: involved in the formation of urea in the liver; diaminopentanoic […]
[awr-nith-ik] /ɔrˈnɪθ ɪk/ adjective 1. of or relating to birds. /ɔːˈnɪθɪk/ adjective 1. of or relating to birds or a bird fauna
ornithinuria or·ni·thi·nu·ri·a (ôr’nə-thĭ-nur’ē-ə, -nyur’-) n. Excessive amounts of ornithine in the urine.
[awr-nuh-this-kee-uh n] /ˌɔr nəˈθɪs ki ən/ noun 1. any herbivorous dinosaur of the order Ornithischia, having a pelvis resembling that of a bird. Compare . adjective 2. belonging or pertaining to the Ornithischia. /ˌɔːnɪˈθɪskɪən/ adjective 1. of, relating to, or belonging to the Ornithischia, an order of dinosaurs that included the ornithopods, stegosaurs, ankylosaurs, and […]