Help Wordnik hunt for a million missing words by backing our Kickstarter!


from The American Heritage® Dictionary of the English Language, 4th Edition

  • abbr. French Système International [d'Unités] (International System [of Units])

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The ISO 3166-1 two-letter (alpha-2) code for Slovenia.
  • The abbreviation for Système International d'Unités or the International System of Units, commonly known as the metric system.
  • Smithsonian Institution
  • Signal integrity
  • Systems integration
  • self-injury


Sorry, no etymologies found.



Log in or sign up to get involved in the conversation. It's quick and easy.