Datum

{
  "id": "MLC-T-IND-001566",
  "term": "Datum",
  "field": "Industrial and trades",
  "definition": "A reference surface or system against which all measurements in a survey are made, providing a consistent basis for position and elevation. This can be a horizontal datum, defining coordinates on the Earth's surface, or a vertical datum, defining elevations relative to a mean sea level. Common horizontal datums include NAD83 and WGS84, while vertical datums include NAVD88.",
  "subject": "Surveying",
  "references": [
    "datum - definition and meaning (Wordnik)"
  ],
  "translations": {
    "de": "Datum",
    "es": "datum",
    "fr": "référence"
  },
  "url": "https://mlchart.com/terminology/industrial/datum/"
}