• Chambers's Twentieth Century Dictionary
    • n Geognosy je-og′no-si the study of the materials of the earth's substance, now frequently called Petrography—also Geognō′sis
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Chambers's Twentieth Century Dictionary
Fr. géognosie—Gr. , the earth, gnōsis, knowledge.


In literature:

Geognosy of Werner, 46.
"Principles of Geology" by Charles Lyell
We may here appropriately notice a remarkable feature in the geognosy of the earth's surface from Lake Huron to the Gulf of St. Lawrence.
"The Falls of Niagara and Other Famous Cataracts" by George W. Holley