Year

{
  "id": "MLC-T-CHM-012775",
  "term": "Year",
  "field": "Chemistry",
  "definition": "A non-SI unit of time representing the duration of one Earth orbit around the Sun. This period is not precisely constant due to astronomical variations, but for scientific purposes, a conventional value is often adopted. The Julian year, for example, is defined as exactly 365.25 days, or 31 557 600 seconds.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "day"
  ],
  "references": [
    "Green Book, 2nd ed., p. 111 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/year/"
}