Level

{
  "id": "MLC-T-CHM-006540",
  "term": "Level",
  "field": "Chemistry",
  "definition": "A logarithmic measure comparing a quantity with a reference value of the same kind, as in a power level or a field level, expressed in units such as the neper or the decibel. In atomic and molecular physics the word also names an energy level, the energy of a stationary state of an atom or molecule, which may be shared by several degenerate states.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "field level",
    "power level"
  ],
  "references": [
    "Green Book, 2nd ed., p. 79 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/level/"
}