geognosy

Definitions


[], (Noun)

Definitions:
- The description and classification of the rocks and rock formations (and, in later use, other inorganic substances) of which the earth consists; the branch of natural science (or later of geology) dealing with this. Now chiefly historical.


Phrases:

Origin:
late 18th century. From geo- + -gnosy, after German Geognosie




definition by Oxford Dictionaries