Circadian

{
  "id": "MLC-T-CHM-002080",
  "term": "Circadian",
  "field": "Chemistry",
  "definition": "Relating to a biological process or rhythm that recurs naturally on a 24-hour cycle, even in the absence of external cues. These rhythms are regulated by an internal biological clock and influence sleep-wake cycles, hormone release, and body temperature. The term derives from the Latin 'circa diem', meaning 'about a day'.",
  "synonyms": [
    "nychthemeral"
  ],
  "subject": "Chemistry and Human Health",
  "references": [
    "PAC, 2007, 79, 1153. 'Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)' on page 1190 (https://doi.org/10.1351/pac200779071153)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/circadian/"
}