datum

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datum

  • /ˈdeɪtəm/
  • /ˈdætəm/
  • /ˈdɑːtəm/

Rhymes with -eɪtəm, -ætəm, -ɑːtəm

Where it comes from

Learned borrowing from Latin datum, a nominalization of datus, perfect passive participle of dō, from Proto-Italic *didō, from Proto-Indo-European *dédeh₃ti, reduplication of *deh₃-, or from *-ti. Doublet of die.

noun data · datums

  1. 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. a datum of experience
  2. singular Singular of data: A single recorded phenomenon, especially obtained by scientific work. Holonym: data set

    Similar: data point

  3. A point, line, plane, or surface with reference to which positions (such as elevations) are measured or indicated. (Examples include a permanent benchmark in leveling or mean sea level in a topographical survey). A geodetic datum is sometimes also called a benchmark.
  4. A floating reference point, or SLDMB, used to evaluate surface currents in a body of water, and often employed by coastal search and rescue.

verb datums · datuming · datumed

  1. To provide missing data points by using a mathematical model to extrapolate values that are outside the range of a measuring device. Removing the effects of any period of deformation by datuming or flattening selective reflection horizons should restore the structure prior to the datumed horizon, or the amount of deformation above the datumed horizon.

Translations

Every language

noun single piece of information

Españoldato
日本語データ dēta
हिन्दीदत्त datt, प्रदत्त pradatt
Portuguêsdado
Françaisdonnée
DeutschFakt, Faktum, Informationseinheit
Italianodato
Ελληνικάδεδομένο dedoméno
Русскийэлеме́нт данных elemént dannyx, едини́ца данных jediníca dannyx

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MLA

"datum." Wiktionary, via Micwyn, micwyn.com/word/datum. Accessed 6 Nov. 2026.

APA

datum. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/datum

Chicago

"datum." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/datum.

BibTeX
@misc{datum_2026,
  title = {datum},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/datum},
  urldate = {2026-11-06}
}