Data comes from the plural of datum, a technical word that refers to a single piece of information. Data continues to function as a plural, especially in technical and formal writing, taking a plural …

A common datum point is used throughout all the experiments as a reference point.

Datum definition: a single piece of information, as a fact, statistic, or code; an item of data.. See examples of DATUM used in a sentence.

In engineering and drafting, a datum is a reference point, surface, or axis on an object against which measurements are made. These are then referred to by one or more 'datum references' …

Dec 7, 2023 · A geodetic datum or reference frame is an abstract coordinate system with a reference surface (such as sea level) that serves to provide known locations to begin surveys …

Dec 23, 2014 · A datum feature is the tangible surface or feature of size (comprised of multiple surfaces or revolved surfaces) that is indicated by the datum feature symbol. You can think of …

Jan 2, 2025 · A datum feature refers to the physical part of the object which is used as reference for a datum. It may be a particular point, line, plane or surface on the part.

Definition of datum noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

a real or assumed thing, used as a basis for calculations or measurements, as a level (also datum plane) from which elevations and depths are measured in surveying

Jul 26, 2025 · So, what exactly is a datum? A datum is a reference line, plane or point. Users refer to this point for subsequent measurements. Consider a metal that should have a hole drilled …