Meteorology
Meteorologia is the study of the Earth's atmosphere and its weather. In Italian, the word is used in the same contexts as in English: scientific studies, weather forecasts, or general discussions about weather phenomena.
Meteorology is a fascinating science.
This sentence is stating an opinion about meteorology. The speaker finds meteorology, the scientific study of the atmosphere that focuses on weather processes and forecasting, to be fascinating.
My friend studies meteorology at university.
This sentence is providing information about the speaker's friend. The friend is a university student who is studying meteorology, the science that deals with the phenomena of the atmosphere, especially weather and weather conditions.
In meteorology, weather forecasts are very important.
This sentence is commenting on the importance of one element of meteorology. In the study and practice of this science, being able to forecast the weather is seen as very important due to its potential effects on people's lives and activities.