Browse Dictionary by Letter

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genus one of the categories used in classifying living organisms, larger than a species but smaller than a family. [2 definitions]
-geny origin; production; generation.
geo- earth.
geocentric of, concerning, or measured from the center of the earth. [2 definitions]
geochemical of, pertaining to, or involving geochemistry.
geochemistry the scientific study of the chemical composition of Earth or other celestial bodies and how this chemical composition changes. [2 definitions]
geochronology the order of events in the earth's history as revealed by geological studies.
geode a hollow, usu. globular stone, the cavity of which is lined with crystals.
geodesic of or concerning the study or properties of lines and other geometric constructions defined on curved surfaces. [3 definitions]
geodesy the science concerned with measuring the size, shape, area, and curvature of the entire earth or of large parts of it and with locating specific geographical points.
geodetic of, pertaining to, or determined by geodesy. [2 definitions]
Geoffrey Chaucer an English poet (b.1340?--d.1400).
geographer one who studies, researches, or maps the earth's surface as a profession.
geographical of or concerning geography. [2 definitions]
geography the science of the earth's surface, including its physical features, climate, resident populations, political divisions, agriculture, natural resources, and the like. [2 definitions]
geologic of, pertaining to, or according to geology.
geologist one who studies or works professionally in the field of geology, or earth science.
geology the study of the physical structure, composition and development of the earth or other solid astronomical bodies, esp. with regard to rocks. [2 definitions]
geomagnetism the earth's magnetic properties. [2 definitions]
geometric of or concerning geometry. [2 definitions]
geometric progression a sequence of terms, such as 1, 4, 16, 64, 256, in which the ratio of each term to its predecessor is always the same.