Power level

{
  "id": "MLC-T-CHM-009336",
  "term": "Power level",
  "field": "Chemistry",
  "definition": "A logarithmic measure of the ratio of a given power to a reference power, often expressed in decibels (dB) or nepers (Np). It quantifies the magnitude of power in a system relative to a baseline. A common reference power for acoustic measurements is 1 picowatt (10^-12 W).",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "decibel",
    "neper",
    "power"
  ],
  "references": [
    "Green Book, 2nd ed., p. 79 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/power-level/"
}