Base unit

{
  "id": "MLC-T-CHM-001126",
  "term": "Base unit",
  "field": "Chemistry",
  "definition": "The unit adopted by convention for one of the base quantities in a system of units, from which the units of all other quantities are built. Base units are defined independently of one another. The SI has seven, including the metre for length, the kilogram for mass and the second for time.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "ampere",
    "base quantity",
    "candela",
    "kelvin",
    "kilogram",
    "metre",
    "mole",
    "second",
    "unit"
  ],
  "references": [
    "PAC, 1986, 58, 1405. 'Recommendations for the presentation of thermodynamic and related data in biology (Recommendations 1985)' on page 1406 (https://doi.org/10.1351/pac198658101405)",
    "PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 963 (https://doi.org/10.1351/pac199668040957)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/base-unit/"
}