Pronunciation: [ˈadɪmənt] (IPA)
Correct spelling for the English word "addiment" is [ˈadɪmənt], [ˈadɪmənt], [ˈa_d_ɪ_m_ə_n_t] (IPA phonetic alphabet).
Complement.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Correct spelling for addiment