| 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. |
| geological |
of or pertaining to the makeup of the earth or to its history. [2 definitions] |
| 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 and land forms. [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. |
| geometrid |
of, pertaining to, or belonging to a family of broad-winged moths, the larvae of which are called measuring worms. [2 definitions] |
| geometry |
the mathematical study of planar or spatial objects such as points, lines, planes, and solid figures. [3 definitions] |
| geomorphology |
the study of the origin, development, and configuration of topographic forms. |
| geophagy |
the practice of eating earthy matter such as clay or chalk, as during a famine or as a symptom of mental illness. |
| geophone |
a sensitive electronic receiver designed to detect seismic vibrations. |