datum(redirected from Geographic datum)
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da·tum(dā′təm, dăt′əm, dä′təm)
1. pl. da·ta (-tə) A fact or proposition used to draw a conclusion or make a decision. See Usage Note at data.
2. pl. da·tums A point, line, or surface used as a reference, as in surveying, mapping, or geology.
n, pl -ta (-tə)
1. (Communications & Information) a single piece of information; fact
2. (Logic) a proposition taken for granted, often in order to construct some theoretical framework upon it; a given. See also sense datum
[C17: from Latin: something given; see data]
da•tum(ˈdeɪ təm, ˈdæt əm, ˈdɑ təm)
n., pl. da•ta (ˈdeɪ tə, ˈdæt ə, ˈdɑ tə)
1. a single piece of information, as a fact, statistic, or code; an item of data.
2. any proposition assumed or given, from which conclusions may be drawn.
[1640–50; < Latin: a thing given, neuter past participle of dare to give]
usage: See data.
Any numerical or geometrical quantity or set of such quantities which may serve as reference or base for other quantities. Where the concept is geometric, the plural form is "datums" in contrast to the normal plural "data."
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|Noun||1.||datum - an item of factual information derived from measurement or research|
information - knowledge acquired through study or experience or instruction
meter reading, reading, indication - a datum about some physical state that is presented to a user by a meter or similar instrument; "he could not believe the meter reading"; "the barometer gave clear indications of an approaching storm"
statistic - a datum that can be represented numerically