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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
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definition by Oxford Dictionaries