Oct 31, 2011 · 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, …

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 …

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

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 them as …

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.

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.

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

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

Oct 31, 2025 · Datums are another important map aspect related to projection. A datum provides a base reference for measuring locations on Earth's surface. For horizontal measurements [on …