Lumen

{
  "id": "MLC-T-CHM-006804",
  "term": "Lumen",
  "field": "Chemistry",
  "definition": "The SI derived unit of luminous flux, representing the total amount of visible light emitted by a source per unit time. One lumen is defined as the luminous flux produced by a point source of one candela over a solid angle of one steradian. It quantifies the perceived power of light.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "luminous flux"
  ],
  "references": [
    "Green Book, 2nd ed., p. 72 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)",
    "PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 979 (https://doi.org/10.1351/pac199668040957)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/lumen/"
}