Pronunciation: [pɹˈɒzɒnə͡l] (IPA)
Correct spelling for the English word "prozonal" is [pɹˈɒzɒnə͡l], [pɹˈɒzɒnəl], [p_ɹ_ˈɒ_z_ɒ_n_əl] (IPA phonetic alphabet).
Anterior to a sclerozone.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Correct spelling for prozonal