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Datum

Datum

WordNet



noun


(1)   An item of factual information derived from measurement or research
Wiktonary



Noun



  1. plural: data a single piece of information
  2. plural: data a fact known from direct observation
  3. plural: data a premise from which conclusions are drawn
  4. plural: datums a fixed reference point
    • 2007, Roger F Tomlinson, Thinking about GIS: geographic information system planning for managers
      Datums are another important map aspect related to projection. A datum provides a base reference for measuring locations on Earth's surface.

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