/ˈdeɪtəm/, /ˈdætəm/, /ˈdɑːtəm/
OriginBorrowed from Latin datum (“a given”). Doublet of die.
- 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”
“given this datum, it follows that”
- form-of, singularSingular of data: A single recorded phenomenon, especially obtained by scientific work.
- 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.”
“GD&T tells us that the center of a bolt circle is in fact defined by the locations of the holes themselves, as each is a datum.”
“In a strict sense, a tidal datum can be understood as the reference plane (or surface) to which the height of a predicted tide is referred.[…]Sounding and chart datums are low water datums, that is, t”
- A floating reference point, or SLDMB, used to evaluate surface currents in a body of water, and often employed by coastal search and rescue.
- 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 ”
“On the left the stacking velocity functions are datumed to sea level and show great disparity.”
“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 th”
Formsdata(error-unknown-tag, plural) · datums(error-unknown-tag, plural) · datums(present, singular, third-person) · datuming(participle, present) · datumed(participle, past) · datumed(past)
Source: Wiktionary
hugo 5/6·4/14/2026