Dictionary: GE'NUS – GE-OM'E-TRAL

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GE'NUS, n. [plur. Genuses or Genera. L. genus, Gr. γενος, Ir. gein, offspring, race or family, Sans. jana; hence, kind, sort. See Gender.]

  1. In logic, that which has several species under it; a class of a greater extent than species; a universal which is predicable of several things of different species. Cyc.
  2. In natural history, an assemblage of species possessing certain characters in common, by which they are distinguished from all others. It is subordinate to class and order, and in some arrangements, to tribe and family. A single species, possessing certain peculiar characters, which belong to no other species, may also constitute a genus; as the camelopard, and the flamingo.
  3. In botany, a genus consists of such a group or assemblage of species as agree both structurally and physiologically, as respects the organs of fructification, reproduction or perpetuation, and at the same time have a general resemblance in habit.

GE-O-CEN'TRIC, a. [Gr. γη, earth, and κεντρον, center.]

Having the earth for its center, or the same center with the earth. The word is applied to a planet or its orbit. Harris. Encyc.

GE'ODE, n. [Gr. γαιωδης, earthy, from γαια or γη, earth. Plin. gæodes, lib. 36, I9.]

In mineralogy, a round or roundish lump of agate or other mineral, or a mere incrustation. Its interior is sometimes empty, and in this case the sides of its cavity are lined with crystals, as in agate balls. Sometimes it contains a solid movable nucleus; and sometimes it is filled with an earthy matter different from the envelop. Cleaveland.

GE-O-DE'SIC, or GE-O-DE'SIC-AL, a.

Geodetic. Sedgwick.

GE-OD'E-SY, n. [Gr. γεωδαισια; γεα, the earth, and δαιω, to divide.]

That part of geometry which respects the doctrine of measuring surfaces, and finding the contents of all plain figures. Harris.

GE-O-DET'IC, or GE-O-DET'IC-AL, a.

Pertaining to the art of measuring surfaces.

GE-O-DIF'ER-OUS, a. [geode, and L. fero.]

Producing geodes.

GE'OG-NOST, n. [See Geognosy.]

One versed in geognosy; a geologist.

GE-OG-NOS'TIC, a.

Pertaining to a knowledge of the structure of the earth; geological.

GE-OG'NO-SY, n. [Gr. γη, the earth, and γνωσις, knowledge.]

That part of natural history which treats of the structure of the earth. It is the science of the substances which compose the earth or its crust, their structure, position, relative situation, and properties. Cleaveland. [This word originated among the German mineralogists, and is nearly synonymous with geology; But some writers consider geognosy as only a branch of geology; including in the latter, hydrography, geogony, meteorology, and even geography.

GE-O-GON'IC, a.

Pertaining to geogony, or the formation of the earth. Humboldt.

GE-OG'O-NY, n. [Gr. γη, the earth, and γονη, generation.]

The doctrine of the formation of the earth.

GE-OG'RA-PHER, n. [See Geography.]

One who describes that part of this globe or earth, which is exhibited upon the surface, as the continents, isles, ocean, seas, lakes, rivers, mountains, countries, &c. One who is versed in geography, or one who compiles a treatise on the subject.

GE-O-GRAPH'IC, or GE-O-GRAPH'IC-AL, a.

Relating to or containing a description of the terraqueous globe; pertaining to geography.

GE-O-GRAPH'IC-ALLY, adv.

In a geographical manner; according to the usual practice of describing the surface of the earth.

GE-OG'RA-PHY, n. [Gr. γη, the earth, and γραφη, description.]

  1. Properly, a description of the earth or terrestrial globe, particularly of the divisions of its surface, natural and artificial, and of the position of the several countries, kingdoms, states, cities, &c. As a science, geography includes the doctrine or knowledge of the astronomical circles or divisions of the sphere, by which the relative position of places on the globe may be ascertained; and usually treatises of geography contain some account of the inhabitants of the earth, of their government, manners, &c., and an account of the principal animals, plants, and minerals.
  2. A book containing a description of the earth.

GE-O-LOG'IC-AL, a. [See Geology.]

Pertaining to geology; relating to the science of the earth or terraqueous globe.

GE-OL'O-GIST, n.

One versed in the science of geology.

GE-OL'O-GIZE, v.i.

To study geology; to make geological investigations.

GE-OL'O-GY, n. [Gr. γη, the earth, and λογος, discourse.]

The doctrine or science of the structure of the earth or terraqueous globe, and of the substances which compose it; or the science of the compound minerals or aggregate substances which compose the earth, the relations which the several constituent masses bear to each other, their formation, structure, position and direction: it extends also to the various alterations and decompositions to which minerals are subject. Dict. Nat. Hist. Cleaveland.

GE'O-MAN-CER, n. [See Geomancy.]

One who foretells or divines, by means of lines, figures or points, on the ground or on paper. Encyc.

GE'O-MAN-CY, n. [Gr. γη, the earth, and μαντεια, divination.]

A kind of divination by means of figures or lines, formed by little dots or points, originally on the earth and afterward on paper. Encyc.

GE-O-MAN'TIC, a.

Pertaining to geomancy.

GE-OM'E-TER, n. [Gr. γεωμετρης. See Geometry.]

One skilled in geometry. [See Geometrician, which is generally used.] Watts.

GE-OM'E-TRAL, a.

Pertaining to geometry.