Radian

{
  "id": "MLC-T-CHM-009807",
  "term": "Radian",
  "field": "Chemistry",
  "definition": "A unit of angular measure, representing the ratio of the arc length to the radius of a circle. One radian is the angle subtended by an arc whose length is equal to the radius of the circle. This unit is dimensionless, but is often denoted by the symbol rad; 2π radians equals 360 degrees.",
  "subject": "Physical and Biophysical Chemistry",
  "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 988 (https://doi.org/10.1351/pac199668040957)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/radian/"
}