The meaning of DATUM is something given or admitted especially as a basis for reasoning or inference.

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' …

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.

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 …

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

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 …

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

5 days ago · 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 …

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