meteorology

noun

1. the science dealing with the atmosphere and its phenomena, including weather and climate.
2. the atmospheric conditions and weather of an area.

noun

1. the study of the earth’s atmosphere, esp of weather-forming processes and weather forecasting

n.“science of the atmosphere, weather forecasting,” 1610s, from French météorologie and directly from Greek meteorologia “treatise on celestial phenomena, discussion of high things,” from meteoron, literally “thing high up” (see meteor), + -logia “treatment of” (see -logy).

1. The scientific study of the atmosphere and of atmospheric conditions, especially as they relate to weather and weather forecasting.

The study of the weather and climate.