HYETOGRAPH Meaning of HYETOGRAPH in English hyetograph BrE AmE ˈha ɪ ‿ət ə ʊ ɡrɑːf ˈ•ɪt-, -ɡræf; haɪ ˈet- AmE \ -ət̬ ə ɡræf haɪ ˈet̬- ▷ hyetograph|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012