Pronunciation: [djˈʊ͡əɹɐmˌatɹə͡l] (IPA)
Correct spelling for the English word "duramatral" is [djˈʊ͡əɹɐmˌatɹə͡l], [djˈʊəɹɐmˌatɹəl], [d_j_ˈʊə_ɹ_ɐ_m_ˌa_t_ɹ_əl] (IPA phonetic alphabet).
Dural.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Correct spelling for duramatral