datum

Meanings

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.
2. Singular of data: A single recorded phenomenon, especially obtained by scientific work.
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).
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.

1. To provide missing data points by using a mathematical model to extrapolate values that are outside the range of a measuring device.

Etymology

Etymology tree Proto-Indo-European *deh₃-redup. Proto-Indo-European *-ti Proto-Indo-European *dédeh₃ti Proto-Italic *didō Latin dō Latin datusnom. Latin datumlbor. English datum 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.