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Eng ID | Term | Definition |
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2081 | graduation error | See ERROR OF GRADUATION. |
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2082 | gram(me) | A CGS unit of mass equal to one one-thousandth of a KILOGRAMME. |
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2083 | granite | Light-coloured, acidic IGNEOUS ROCK mineralogically composed primarily of QUARTZ and potassium-sodium rich feldspars in which the mineral g... more |
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2084 | graphic control survey | See SURVEY. |
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2085 | graphic scale | See SCALE: BAR. |
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2086 | graticule | The network of lines representing MERIDIANS and PARALLELS on a MAP, CHART, or PLOTTING SHEET. See also GRID. A SCALE at the FOCAL PLANE of a... more |
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2087 | graticule adjustment | The transportation or movement of the GRATICULE in order to change the ORIGIN of reference. |
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2088 | gravel | Loose detrital material ranging in size from 2 to 256 mm. |
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2089 | gravimeter | A weighing device or instrument of sufficient sensitivity to register variations in the WEIGHT of a constant mass when the mass is moved fr... more |
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2090 | gravimetric survey | See SURVEY. |
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2091 | graving dock | See DOCK: DRY. |
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2092 | gravitation | In general, the mutual attraction between masses of matter (bodies). Gravitation is the component of GRAVITY which acts towards the EARTH. |
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2093 | gravity | That force which tends to pull bodies towards the EARTH; that is to give bodies WEIGHT. Gravity is the resultant of two opposing forces: GRA... more |
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2094 | gravity: centre of | A point at which the mass of the entire body may be regarded as being concentrated. |
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2095 | gravity: direction of | The DIRECTION indicated by a PLUMB LINE. It is perpendicular to the surface of the GEOID. Also called direction of the force of gravity. |
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2096 | gravity: intensity of | The magnitude with which GRAVITY acts, expressed in suitable units, usually as an ACCELERATION, in GALS; as a force, in DYNES. |
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2097 | gravity anomaly | The difference between the observed gravity value properly reduced to SEA LEVEL and the theoretical GRAVITY obtained from gravity formula. S... more |
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2098 | gravity anomaly chart | See CHART. |
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2099 | gravity coring | A method to obtain cores by bottom penetration solely as a result of gravity. |
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2100 | gravity meter | See GRAVIMETER. |