Datum vs Datums - What's the difference?
datum | datums |
(plural:'' data ) A measurement of something on a scale understood by both the recorder (a person or device) and the reader (another person or device). The scale is arbitrarily defined, such as from 1 to 10 by ones, 1 to 100 by 0.1, or simply ''true'' or ''false'', ''on'' or ''off'', ''yes'', ''no'', or ''maybe , etc.
(plural: data ) (philosophy) A fact known from direct observation.
(plural: data ) (philosophy) A premise from which conclusions are drawn.
(plural: datums ) (cartography, engineering) A fixed reference point.
* 2007 , Roger F Tomlinson, Thinking about GIS: geographic information system planning for managers
As nouns the difference between datum and datums
is that datum is (plural: data) A measurement of something on a scale understood by both the recorder (a person or device) and the reader (another person or device). The scale is arbitrarily defined, such as from 1 to 10 by ones, 1 to 100 by 0.1, or simply true or false, on or off, yes, no, or maybe, etc while datums is plural of datum.datum
English
Noun
(en-noun)- Datums are another important map aspect related to projection. A datum provides a base reference for measuring locations on Earth's surface.
Derived terms
* datum circle * datum line * datum plane * datum point * datum surfaceReferences
*AskOxford.com: Is 'data' singular or plural?* (The American Heritage Dictionary's usage note on 'data') *
John Quiggin: Data is not the plural of datum*
johnaugust.com: ‘Data’ is singularEnglish nouns with irregular plurals English words affected by prescriptivism ----