geognosy: Meaning and Definition of

ge•og•no•sy

Pronunciation: ( jē-og'nu-sē), [key]
— n.
  1. a science dealing with the constituent parts of the earth, its envelope of air and water, its crust, and the condition of its interior.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.