The meaning of DATUM is something given or admitted especially as a basis for reasoning or inference. How to use datum in a sentence. Is data singular or plural?: Usage Guide.

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' …

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 …

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.

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.

Jun 14, 2025 · datum (plural (senses 1–3) data or (senses 1 and 4–5) datums) (dated) Singular of data; a single recorded observation. (philosophy) A fact known from direct observation. …

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

meter reading, reading, indication - a datum about some physical state that is presented to a user by a meter or similar instrument; "he could not believe the meter reading"; "the barometer gave …

A datum is a single piece of information, often a fact, statistic, or a measurement, that is used as a basis for analysis, discussion, or calculation. It serves as a reference or base for further study, …