[dey-tuh m, dat-uh m, dah-tuh m]
- a single piece of information, as a fact, statistic, or code; an item of data.
- any fact assumed to be a matter of direct observation.
- any proposition assumed or given, from which conclusions may be drawn.
- Also called sense datum. Epistemology. the object of knowledge as presented to the mind.Compare ideatum.
- Surveying, Civil Engineering. any level surface, line, or point used as a reference in measuring elevations.
- Surveying. a basis for horizontal control surveys, consisting of the longitude and latitude of a certain point, the azimuth of a certain line from this point, and two constants used in defining the terrestrial spheroid.
Origin of datum
1640–50; < Latin: a thing given, neuter past participle of dare to give
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for datum
Beinart is upset with me for asking "what is the point of this datum?"'Is It Good For The Jews?' Is Not The Question
December 9, 2013
We could have predicted that that datum could be found somewhere.
We have a datum, and we give it an interpretation, in accordance with our pseudo-standard.
Our first datum is of something that was once seen to enter an ocean.
Over and over in these annals of the damned occurs the datum of segregation.
Nevertheless, it seems to me that a datum that preceded it was slightingly treated.
- a single piece of information; fact
- a proposition taken for granted, often in order to construct some theoretical framework upon it; a givenSee also sense datum
C17: from Latin: something given; see data
Word Origin and History for datum
proper Latin singular of data (q.v.).
Online Etymology Dictionary, © 2010 Douglas Harper