Correct spelling for the English word "ovadin" is [ˈə͡ʊvɐdˌɪn], [ˈəʊvɐdˌɪn], [ˈəʊ_v_ɐ_d_ˌɪ_n] (IPA phonetic alphabet).
Trade name of a preparation from the ovary of the cow; recommended in chlorosis and amenorrhea.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.