Steradian

{
  "id": "MLC-T-CHM-011364",
  "term": "Steradian",
  "field": "Chemistry",
  "definition": "The SI unit of solid angle, defined as the solid angle subtended at the center of a sphere by a portion of the surface whose area is equal to the square of the sphere's radius. A full sphere subtends a solid angle of 4π steradians. It is a dimensionless unit, often represented as sr.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "angle"
  ],
  "references": [
    "Green Book, 2nd ed., p. 72 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/steradian/"
}