hīˈed.əˌgraf, -rȧf noun
Etymology: International Scientific Vocabulary hyet- + -graph
1. : a chart showing average annual rainfall
2. : hyetometrograph
hīˈed.əˌgraf, -rȧf noun
Etymology: International Scientific Vocabulary hyet- + -graph
1. : a chart showing average annual rainfall
2. : hyetometrograph
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012