Correct spelling for the English word "Radication" is [ɹˌadɪkˈe͡ɪʃən], [ɹˌadɪkˈeɪʃən], [ɹ_ˌa_d_ɪ_k_ˈeɪ_ʃ_ə_n] (IPA phonetic alphabet).
The act of taking root and fixing deep; in bot., the general disposition and arrangement of the roots of a plant.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.