[jee-uh-man-see] /ˈdʒi əˌmæn si/
divination by geographic features or by figures or lines.
prophecy from the pattern made when a handful of earth is cast down or dots are drawn at random and connected with lines
“art of divination by means of signs derived from the earth,” late 14c., from Old French géomancie, from Medieval Latin geomantia, from late Greek *geomanteia, from geo-, comb. form of ge “earth” + manteia “divination” (see -mancy).
noun in geology, the use of mathematical and computational techniques; also called mathematical geology Usage Note science
noun a science concerned with using mathematical methods on data about the earth’s surface Usage Note science
/ˌdʒiːəʊmɪˈkænɪks/ noun 1. (functioning as sing) the study and application of rock and soil mechanics
[jee-oh-med-uh-suh n or, esp. British, -med-sin] /ˌdʒi oʊˈmɛd ə sən or, esp. British, -ˈmɛd sɪn/ noun 1. the branch of dealing with the effect of geography on disease.