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A nodule of stone, containing a cavity, lined with crystals or mineral matter.

Living in the earth; -- applied to the ground beetles.

A geodetic line or curve.

Of or pertaining to geodetic.

One versed in geodesy.

That branch of applied mathematics which determines, by means of observations and measurements, the figures and areas of large portions of the earth's surface, or the general figure and dimenshions of the earth; or that branch of surveying in which the curvature of the earth is taken into account, as in the surveys of…

Of or pertaining to gebdesy; obtained or determined by the operations of geodesy; engaged in geodesy; geodesic; as, geodetic surveying; geodetic observers. Geodetic line or curve, the shortest line that can be drawn between two points on the elipsoidal surface of the earth; a curve drawn on any given surface so that th…

In a geodetic manner; according to geodesy.

Same as Geodesy.

A bureau of the United States government charged with the topographic and hydrographic survey of the coast and the execution of belts of primary triangulation and lines of precise leveling in the interior. It now belongs to the Department of Commerce and Labor.

p or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, esp. agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava.

nstrument. -- Line of collimation, the axial line of the telescope of an astronomical or geodetic instrument, or the line which passes through the optical center of the object glass and the intersection of the cross wires at its focus.

ock, having its interior surface studded with crystals and sometimes filled with water; a geode.

ction on a vertical plane; -- called by the ancients the orthography. Angle of elevation (Geodesy), the angle which an ascending line makes with a horizontal plane. -- Elevation of the host (R. C. Ch.), that part of the Mass in which the priest raises the host above his head for the people to adore.…

Producing geodes; containing geodes.

y, by being steadily directed to one spot during the whole of its diurnal period; also, a geodetic heliotrope.

The person at a geodetic station who has charge of the heliotrope.

That branch of the science of geodesy which has to do with the measurement of heights, either absolutely with reference to the sea level, or relatively.

rometer, used chiefly for reading and subdividing the divisions of large astronomical and geodetical instruments. -- Micrometer screw, a screw with a graduated head used in some forms of micrometers. -- Position micrometer. See under Position. -- Scale, or Linear, micrometer, a minute and very delicately graduated s…

one for the whole map. Polyconic projection is that in use in the United States coast and geodetic survey.