phonal,a.rare.|ˈfəʊnəl| [f.Gr. ϕωνή voice + -al1.] Pertaining to vocal sound; phonetic. 1868Max Müller Stratif. Lang. 42 The Tibetan is near [the Chinese] in phonal structure as being tonic and monosyllabic.1883D. H. Wheeler By-Ways of Lit. xi. 227 Family life requires a minimum of phonal breath.