m, dat-uh
m, dah-tuh
m]
for 1–3, da⋅tums for 4, 5. | 1. | a single piece of information, as a fact, statistic, or code; an item of data. |
| 2. | Philosophy.
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| 3. | Also called sense datum. Epistemology. the object of knowledge as presented to the mind. Compare ideatum. |
| 4. | Surveying, Civil Engineering. any level surface, line, or point used as a reference in measuring elevations. |
| 5. | Surveying. a basis for horizontal control surveys, consisting of the longitude and latitude of a certain point, the azimuth of a certain line from this point, and two constants used in defining the terrestrial spheroid. |
da·tum (dā'təm, dāt'əm, dä'təm) n.
[Latin, something given, from neuter past participle of dare, to give; see dō- in Indo-European roots.] |