Intercalation

Intercalation may refer to:

  • Intercalation (timekeeping), The insertion of a leap day, week or month into some calendar years to make the calendar follow the seasons
  • Intercalation (chemistry), the insertion of a molecule (or group) between two other molecules (or groups)
  • Intercalation (literature), a technique used to insert one narrative inside another, implying simultaneity
  • Intercalation (university administration), the period when a student is officially suspended from studying for an academic degree
  • In biology:
    • Intercalation (chemistry), process discovered by Leonard Lerman by which certain drugs and mutagens insert themselves between base pairs of DNA
    • Intercalated duct of exocrine glands
    • Intercalated disc of cardiac muscle
    • Intercalated cells of the collecting duct
    • Intercalated cells of the amygdala