The meaning of DATUM is something given or admitted especially as a basis for reasoning or inference. How to use datum 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 …

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.

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

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

Dec 11, 2025 · datum (plural (sense 1 and 2) data or (senses 3 and 4) datums) Something known or assumed as fact, and is made the basis of reasoning or inference which an intellectual …

A common datum means a pair of single datums specified to function as one datum. On the other hand, a datum system is a group of datums that is created by combining multiple datums.