Pronunciation: [ɡɹˌavɪdˈe͡ɪʃən] (IPA)
Correct spelling for the English word "gravidation" is [ɡɹˌavɪdˈe͡ɪʃən], [ɡɹˌavɪdˈeɪʃən], [ɡ_ɹ_ˌa_v_ɪ_d_ˈeɪ_ʃ_ə_n] (IPA phonetic alphabet).
Correct spelling for gravidation