geognosies
/dʒiˈɑɡnəsiz/
noun
- The plural form of geognosy; branches of knowledge dealing with the structure and composition of the Earth.
- Different geognosies help us understand how mountains and oceans formed.
- The professor specialized in several geognosies, including mineralogy and petrology.
- Early geognosies were often based on observation rather than modern technology.