datum

  1. Noun.  (italbrac-open) ''plural:'' '''data'''(italbrac-close) A measurement of something on a scale understood by both the recorder (a person or device) and the reader (another person or device). The scale is arbitrarily defined, such as from 1 to 10 by ones, 1 to 100 by 0.1, or simply ''true'' or ''false'', ''on'' or ''off'', ''yes'', ''no'', or ''maybe'', etc.
  2. Noun.  (philosophy) (italbrac-open) ''plural:'' '''data'''(italbrac-close) a fact known from direct observation.
  3. Noun.  (philosophy) (italbrac-open) ''plural:'' '''data'''(italbrac-close) a premise from which conclusions are drawn.
  4. Noun.  (cartography) (engineering) (italbrac-open) ''plural:'' '''datums'''(italbrac-close) a fixed reference point.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.