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' which …

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

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.

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.

Britannica Dictionary definition of DATUM [count] formal + technical : a single piece of information an important historical datum [= fact] Usage see: data

There are two main datums in the United States. Horizontal datums measure positions (latitude and longitude) on the surface of the Earth, while vertical datums are used to measure land elevations and …

Dec 26, 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 system of any …

A Datum is a reference or base for a system of geographic coordinates that serves as a standard measurement. It is a mathematical model that describes the Earth's shape and is critical in ensuring …