datum plane
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datum plane — datum line, datum level or datum plane noun The horizontal baseline from which heights and depths are measured • • • Main Entry: ↑datum * * * datum level, datum line, datum plane, or … Useful english dictionary
datum plane — /ˈdeɪtəm pleɪn/ (say daytuhm playn) noun a plane, level, line, etc., from which heights and depths are calculated or measured. Also, datum level, datum line, datum point …
datum plane — A reference level to which topographic or water levels in wells are related [16] … Lexicon of Cave and Karst Terminology
datum plane — n. level from which heights and depths are measured … English contemporary dictionary
datum level — datum line, datum level or datum plane noun The horizontal baseline from which heights and depths are measured • • • Main Entry: ↑datum * * * datum level, datum line, datum plane, or … Useful english dictionary
datum point — noun A reference point against which measurements and comparisons can be made • • • Main Entry: ↑datum * * * datum level, datum line, datum plane, or datum point, a level, line, plane, or point, from which heights a … Useful english dictionary
datum line — datum line, datum level or datum plane noun The horizontal baseline from which heights and depths are measured • • • Main Entry: ↑datum … Useful english dictionary
datum — [dāt′əm, dat′əm; ] Brit also [ dä′təm] n. pl. data [dātə, dat′ə] or datums [L, what is given, neut. of datus: see DATE1] 1. something known or assumed; information from which conclusions can be inferred: see also DATA 2. a real or assumed thing,… … English World dictionary
plane — 1. A two dimensional flat surface. See planum. 2. An imaginary surface formed by extension of a point through any axis or two definite points, in reference especially to craniometry and to pelvimetry. SYN: planum. [L. planus, flat] Addison … Medical dictionary
State Plane Coordinate System — The State Plane Coordinate System (SPS or SPCS) is a set of 126 geographic zones or coordinate systems designed for specific regions of the United States. Each state contains one or more state plane zones, the boundaries of which usually follow… … Wikipedia