datum
/ˈdeɪtəm/
noun
- A single piece of information or fact.
- A single datum is not enough to draw a conclusion.
- Each datum from the survey was carefully recorded.
- The scientist analyzed one datum at a time to avoid errors.
- A fixed point, line, or surface used as a reference for measurements.
- All map coordinates are based on a specific geodetic datum.
- The engineer set a datum point to ensure the building was level.
- The surveyor used a benchmark as a datum for elevation readings.