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datum
Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Datum

Datum \Da"tum\, n.; pl. Data. [L. See 2d Date.]

  1. Something given or admitted; a fact or principle granted; that upon which an inference or an argument is based; -- used chiefly in the plural.

    Any writer, therefore, who . . . furnishes us with data sufficient to determine the time in which he wrote.
    --Priestley.

  2. a single piece of information; a fact; especially a piece of information obtained by observation or experiment; -- used mostly in the plural.

  3. pl. (Math.) The quantities or relations which are assumed to be given in any problem.

  4. (Surveying) a point, line, or level surface used as a reference in measuring elevations.
    --RHUD

    Datum line (Surv.), the horizontal or base line, from which the heights of points are reckoned or measured, as in the plan of a railway, etc. [1913 Webster] ||

Douglas Harper's Etymology Dictionary
datum

proper Latin singular of data (q.v.).

Wiktionary
datum

n. 1 (''plural:'' '''data''') 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 (''plural:'' '''data''') (context philosophy English) A fact known from direct observation. 3 (''plural:'' '''data''') (context philosophy English) A premise from which conclusions are drawn. 4 (''plural:'' '''datums''') (context cartography engineering English) A fixed reference point.

WordNet
datum
  1. n. an item of factual information derived from measurement or research [syn: data point]

  2. [also: data (pl)]

Wikipedia
Datum (magazine)

Datum is an Austrian magazine of reportage, political and cultural features and analysis, essays and criticism. It is published and edited in Vienna.

Started in 2004, the magazine is now published ten times annually. Although its stories focus on the political and cultural life of Austria, Datum has a significant audience outside of the country. Throughout the German-language-countries it is well known for its journalism on political, cultural and social issues, its illustrations, its rigorous fact checking and copyediting and its cosmopolitan sophistication.

Datum

Datum is a singular form of " data".

Datum may also refer to:

Usage examples of "datum".

I was scooting my chair on its track back and forth along the row of sensor consoles that reported and recorded a variety of basic abiotic data.

And there were problems with these votes, since the Sem-inole County Canvassing Board had allowed Republican Party volunteers to fill in missing data on absentee-ballot applications completed by registered Republicansa violation of Florida lawand many overseas absentee ballots from members of the armed forces lacked the postmarks required by law.

Without accelerators capable of producing Planck-scale energies, we will increasingly have to rely on the cosmological accelerator of the big bang, and the relics it has left for us throughout the universe, for our experimental data.

Into it he had crammed a chair and minuscule table, desk-model accessor, and the accumulated reference materials and data of years of research.

Data first met Darryl Adin and his band of mercenaries, who at that time had been operating outside the Federation.

But when Data uncovered computer tampering used to frame Adin, Starfleet had cleared him of all charges.

Adin was referring to the last time he had seen Data-several months ago, after Data had delivered to Adin the personal farewell message prepared by Tasha Yar for the man she loved.

In the lounge, Data spotted Darryl Adin sitting alone at a table near the viewports, looking out at the stars.

Data looked up, to find Darryl Adin staring at the figure of Tasha, his expression a painful mixture of surprise and sorrow.

The science people had set up their computers under a tarp next to the admin building, and were examining the data crystals of shuttle activity before communications from the planet ceased.

There is no independent data indicating any variation whatever in the methods of the admixture of black or colored inks, which differentiates them from those used in the earliest times of the ancient Egyptians, Hebrews or Chinese.

But a simpler interpretation of the data suggests it to have been a purely physical effect caused by DDT particles adsorbing to the outside surfaces of the algae and cutting down the light supply.

The Institute has been researching high volume advertising since 1954 and is in the business of selling reports that offer statistical data on the most effective media and messages in various industries.

But all the recent data shows that ginkgo offers no better protection from the effects of aging than a placebo.

Sandi Thiaput at the Lowell Observatory in Flagstaff, Arizona, had made several measurements of the Martian albedo for another project the previous year and Sandi e-mailed the raw and post-processed data to him.