Ge-ög'no-sy, n.

n. [Fr. géognosie, from Gr. γέα, γῆ, the earth, and γνώσις, knowing, knowledge, from γιγνώσκειν, γνῶναι, to know.] That part of geology which states the facts of the structure of the earth, with regard to the position, relative situation, and properties of its constituents; the subject matter of speculative geology. [Rare.]