[ jee-og-nuh-see ]
/ dʒiˈɒg nə si /


Archaic. a science dealing with the constituent parts of the earth, its envelope of air and water, its crust, and the condition of its interior.


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Origin of geognosy

1785–95; < French géognosie, equivalent to géo- geo- + -gnosie < Greek gnôsis knowledge


ge·og·nos·tic [jee-og-nos-tik] /ˌdʒi ɒgˈnɒs tɪk/, ge·og·nos·ti·cal, adjectivege·og·nos·ti·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for geognosy

British Dictionary definitions for geognosy

/ (dʒɪˈɒɡnəsɪ) /


the study of the origin and distribution of minerals and rocks in the earth's crust: superseded generally by the term geology

Derived forms of geognosy

geognostic (ˌdʒiːɒɡˈnɒstɪk), adjective

Word Origin for geognosy

C18: from French géognosie, from geo- + Greek gnōsis a seeking to know, knowledge
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012