SONAGRAPH Meaning of SONAGRAPH in English sonagraph, S~ trademark BrE AmE ˈsəʊn ə ɡrɑːf ˈsɒn-, -ɡræf AmE ˈsoʊn ə ɡræf ˈsɑːn- ▷ sonagraph|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012