Journal

• a written medium, for instance:
  • an academic journal
  • a diary
  • a literary magazine, a periodical devoted to literature
  • a daily newspaper
  • a scientific journal
• Journal (mechanical device), the section of a rotating shaft that contacts and turns in a plain bearing
• Mining journal, a record systematically describing the strata through which a mine shaft passes (see shaft mining)
• Journal entry, an accounting transaction in the double-entry bookkeeping system