datum (redirected from Geodetic origin)

datum

The singular form of data; for example, one datum. It is rarely used, and data, its plural form, is commonly used for both singular and plural.

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datum

a proposition taken for granted, often in order to construct some theoretical framework upon it; a given

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datum [′dad·əm, ′dād·əm,or′däd·əm]

(computer science)

data item

(engineering)

A direction, level, or position from which angles, heights, speeds or distances are conveniently measured.

Any numerical or geometric quantity or value that serves as a base reference for other quantities or values (such as a point, line, or surface in relation to which others are determined).

(geodesy)

The latitude and longitude of an initial point; the azimuth of a line from this point.

(geology)

The top or bottom of a bed of rock on which structure contours are drawn.