Geocentric, -al, jē-o-sen′trik, -al, adj. having the earth for its centre: (astron.) as seen or measured from the earth.—adv. Geocen′trically.—n. Geocen′tricism. [Gr. gē, the earth, kentron, a centre.]
Geocyclic, jē-ō-sik′lik, adj. pertaining to the revolutions of the earth.
Geode, jē′ōd, n. (min.) a rounded nodule of stone with a hollow interior.—adj. Geodif′erous, bearing or producing geodes. [Fr.,—Gr. geōdēs, earth-like, earthen—gē, earth, eidos, form.]
Geodesy, je-od′e-si, n. a science whose object is to measure the earth and its parts on a large scale.—ns. Geodē′sian, Geod′esist, one skilled in geodesy.—adjs. Geodes′ic, -al, Geodet′ic, -al, pertaining to or determined by geodesy. [Fr. géodésie—Gr. geōdaisia—gē, the earth, daiein, to divide.]
Geognosy, je-og′no-si, n. the study of the materials of the earth's substance, now frequently called Petrography—also Geognō′sis.—n. Gē′ognost.—adjs. Geognost′ic, -al.—adv. Geognost′ically. [Fr. géognosie—Gr. gē, the earth, gnōsis, knowledge.]
Geogony, je-og′o-ni, n. the doctrine of the production or formation of the earth—also Geog′eny.—adj. Geogon′ic. [Gr., gē, the earth, gonē, generation.]
Geography, je-og′ra-fi, n. the science which describes the surface of the earth and its inhabitants: a book containing a description of the earth.—n. Geog′rapher.—adjs. Geograph′ic, -al, relating to geography.—adv. Geograph′ically.—Geographical distribution (see Distribution).—Descriptive geography, that part of geography which consists in a statement of facts; Historical geography, that part of geography which investigates the changes which have occurred in the governmental control of territory; Physical geography (see Physical); Political geography, geography that gives an account of the different communities of mankind. [Fr.,—L.,—Gr. geōgraphia—gē, the earth, graphē, a description—graphein, to write.]
Geolatry, jē-ol′a-tri, n. earth-worship. [Gr. gē, the earth, latreia, worship.]
Geology, je-ol′o-ji, n. the science relating to the history and development of the earth's crust, together with the several floras and faunas which have successively clothed and peopled its surface.—ns. Geolo′gian, Geol′ogist.—adjs. Geolog′ic, -al, pertaining to geology.—adv. Geolog′ically.—v.i. Geol′ogise.—Dynamical geology, the study of natural operations based on the belief that the effects of Nature's agents in the present will further interpret the records of such actions in the past; Structural geology, that geology which treats of the mode in which rocks are built up in the earth's crust. [Fr. géologie—Gr. gē, the earth, logia, a discourse.]
Geomancy, jē′o-man-si, n. divination by figures or lines drawn on the earth.—n. Gē′omancer.—adj. Ge′omantic, pertaining to geomancy. [Fr. géomancie—Gr. gē, the earth, manteia, divination.]