Revision as of 19:11, 12 September 2019 by Webref (talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
  • Smallest increment of an independent variable for which a function repeats itself.
  • a unit of geological time; a division of an era. Source: Anthromorphemics
  • The elements in a horizontal row of the periodic table.