datum

Etymology

Borrowed from Latin datum (“a given”). Doublet of die.

Pronunciation

• (UK) IPA^(key): /ˈdeɪtʌm/, /ˈdɑːtʌm/

Noun

datum (plural data or datums)

1. (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.
2. (plural: data) (philosophy) A fact known from direct observation.
3. (plural: data) (philosophy) A premise from which conclusions are drawn.
4. (plural: datums) (cartography, engineering) A fixed reference point, or a coordinate system.
   • 2007, Roger F Tomlinson, Thinking about GIS: geographic information system planning for managers

     Datums are another important map aspect related to projection. A datum provides a base reference for measuring locations on Earth's surface.

Verb

datum (third-person singular simple present datums, present participle datuming, simple past and past participle datumed)

1. To provide missing data points by using a mathematical model to extrapolate values that are outside the range of a measuring device.
   • 1982, Paul M. Tucker, Pitfalls Revisited - Issue 3, →ISBN, page 6:

     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.

   • 1998, Stuart Fagin, Model-based Depth Imaging, →ISBN, page 164:

     On the left the stacking velocity functions are datumed to sea level and show great disparity.

   • 2014, Hua-Wei Zhou -, Practical Seismic Data Analysis, →ISBN, page 62:

     On the other hand, if we have a sufficiently accurate near-surface velocity model, we may apply wavefield datuming to convert the raw data into new data as if they were recorded along a datum below the near surface (Box 2.3).

References

• AskOxford.com: Is 'data' singular or plural?
• “datum” in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present. (The American Heritage Dictionary's usage note on 'data')
• John Quiggin: Data is not the plural of datum
• johnaugust.com: ‘Data’ is singular

Pronunciation

• audio

  (file)

Noun

datum n

1. date (point in time)

Further reading

• datum in Příruční slovník jazyka českého, 1935–1957
• datum in Slovník spisovného jazyka českého, 1960–1971, 1989

Etymology

From Middle Dutch datum, from Latin datum (“given”, past participle) (from the practice of signing letters in Latin by noting the date on which they were dispatched). Compare English date.

Pronunciation

• IPA^(key): /ˈdaːtʏm/

• Audio

  (file)

Noun

datum m (plural datums or data, diminutive datumpje n)

1. date (point in time)

Noun

datum n (plural data, diminutive datumpje n)

1. datum (piece of information)

   Synonym: gegeven

Etymology

Neuter past participle of dō.

Pronunciation

• (Classical) IPA^(key): /ˈda.tum/, [ˈda.tũ]

Noun

datum n (genitive datī); second declension

1. gift, present
   • c. 254 BCE – 184 BCE, Plautus, Asinaria 56

     Quia non suppetunt dictis data.

     Because his gifts do not match his words.

Verb

datum

1. supine of dō

Participle

datum

1. nominative neuter singular of datus
2. accusative masculine singular of datus
3. accusative neuter singular of datus
4. vocative neuter singular of datus

References

• datum in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• datum in The Perseus Project (1999) Perseus Encyclopedia‎
• datum in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• datum in William Smith, editor (1854, 1857) A Dictionary of Greek and Roman Geography, volume 1 & 2, London: Walton and Maberly

Etymology

From Latin datum.

Pronunciation

• IPA^(key): /dǎːtum/
• Hyphenation: da‧tum

Noun

dátum m (Cyrillic spelling да́тум)

1. date (as in day, month, and year)

References

• “datum” in Hrvatski jezični portal

Pronunciation

• IPA^(key): /ˈdàːtum/, /ˈdáːtum/
• Tonal orthography: dátum, dȃtum

Noun

dátum m inan (genitive dátuma, nominative plural dátumi)

1. date (point of time)

Pronunciation

• audio

  (file)

Noun

datum n

1. date; (day, month and year)