1. 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.

Origin of geognosy

1785–95; < French géognosie, equivalent to géo- geo- + -gnosie < Greek gnôsis knowledge
Related formsge·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. 2018

Examples from the Web for geognosy

Historical Examples of geognosy

British Dictionary definitions for geognosy


  1. the study of the origin and distribution of minerals and rocks in the earth's crust: superseded generally by the term geology
Derived Formsgeognostic (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