American Heritage® Dictionary of the English Language, Fourth Edition
- n. A fact or proposition used to draw a conclusion or make a decision. See Usage Note at data.
- n. A point, line, or surface used as a reference, as in surveying, mapping, or geology.
Century Dictionary and Cyclopedia
- n. A fact given; originally, one of the quantities stated, or one of the geometrical figures supposed constructed, in a mathematical problem, and from which the required magnitude or figure is to be determined. But Euclid uses the corresponding Greek term (
δεδόμενον) in a second sense, as meaning any magnitude or figure which we know how to determine.
- n. A fact either indubitably known or treated as such for the purposes of a particular discussion; a premise.
- n. A position of reference, by which other positions are defined.
- n. 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.
- n. (philosophy) A fact known from direct observation.
- n. (philosophy) A premise from which conclusions are drawn.
- n. (cartography, engineering) A fixed reference point.
GNU Webster's 1913
- n. Something given or admitted; a fact or principle granted; that upon which an inference or an argument is based; -- used chiefly in the plural.
- n. a single piece of information; a fact; especially a piece of information obtained by observation or experiment; -- used mostly in the plural.
- n. (Math.) The quantities or relations which are assumed to be given in any problem.
- n. (Surveying) a point, line, or level surface used as a reference in measuring elevations.
- n. an item of factual information derived from measurement or research
- From Latin datum. (Wiktionary)
- Latin, something given, from neuter past participle of dare, to give; see dō- in Indo-European roots. (American Heritage® Dictionary of the English Language, Fourth Edition)
“Mr. Smith's method of proving that every circle is 3-1/8 diameters is to assume that it is so, -- "if you dislike the term datum, then, by hypothesis, let 8 circumferences be exactly equal to 25 diameters," -- and then to show that every other supposition is thereby made absurd.”
“Because, according to our assumptions, the average value of a single datum is greater than the marginal value of that datum (remember, aggregation adds value), a consumer will always be willing to sell data at a price a merchant is willing to pay.”
“Unfortunately, if the marginal value175 to the consumer of a given datum is small, then the value of not disclosing that datum will in most cases be lower than either the cost of negotiating a confidentiality clause (if that option even exists), or the cost of forgoing the entire transaction.”
“Your name will be just a datum until that datum is lost, at which point you will be nothing.”
“The key datum is marked by the arrow - the concrete rendering of the closed-up opening - which we can see in another picture.”
“The “Greek” word data is the plural of the Latin word datum – a given….”
“Gee, I wonder which datum is a more relevant measure of the insurance companies’ position on the bill.”
“The biggest stone ball, according to the UDG, is right in this area at 13 Q 598163 2284135 (if they were using WGS84 as a datum, which is not mentioned).”
“Arthur, the orbital elements transmitted by the GPS satellites -- broadcast ephemeris -- are in a realization of the WGS84 datum, which is connected to the solid Earth, i.e, it's an ECEF Earth Centered, Earth Fixed coordinate frame.”
““John A” #214: You call the datum change “implausible”.”
These user-created lists contain the word ‘datum’.
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Looking for tweets for datum.