
Datums and Reference Frames | Datums | National Geodetic Survey
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 and create maps.
DATUM Definition & Meaning - Merriam-Webster
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
DATUM Definition & Meaning | Dictionary.com
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.
What Are Datums? A guide to all their types and applications.
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.
Datum reference - Wikipedia
Screenshot from AutoCAD with various geometric dimensioning and tolerancing datum reference symbols (total indicator reading, perpendicularity, and parallelism An engineering datum used in …
DATUM | English meaning - Cambridge Dictionary
A common datum point is used throughout all the experiments as a reference point.
What Are Datums? | GD&T Overview - KEYENCE America
What Are Datums? A datum is a plane, a straight line, or a point that is used as a reference when processing a material or measuring the dimensions of a target. A datum is defined as follows in the …
datum - Wiktionary, the free dictionary
Jan 9, 2026 · Something known or assumed as fact, and is made the basis of reasoning or inference which an intellectual system of any sort (such as knowledge or theoretical framework) is constructed.
DATUM definition and meaning | Collins English Dictionary
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
Datum - definition of datum by The Free Dictionary
1. (Communications & Information) a single piece of information; fact 2. (Logic) a proposition taken for granted, often in order to construct some theoretical framework upon it; a given. See also sense datum