IS

"IS", "Is," or "is" may refer to:

Words

Words formed from the letters "is" include:

• "is-" (Greek isos), a prefix similar to "iso-", meaning equal, homogeneous, or uniform
• "is" (plural "ises"), anything factual, empirical, actual, or spatiotemporal, in is-ought philosophy
• "is", the Anglo-Saxon form of the rune Isaz
  • I formations in American football
  • Ones in Roman numerals
  • Selves known by the pronoun "I"
  • Incompletes, scores used in academic grading in North America
  • Particular affirmative premises in syllogistic logic, the third premise form coded by a vowel
• Is (verb), the third-person singular form of "to be" in the English language
• I"s, a manga by Masakazu Katsura with main characters Ichitaka and Iori
• Is or Hīt, an Iraqi town on the Euphrates
• Is or Ys (also Ker-Ys or Ville d'Is), a mythical city of 5th-century Brittany
• Is or I's, plural of any of several meanings of "I", particularly:
• $i\,$s, imaginary units in the complex number system
• ${\hat {\imath }}$s, unit vectors along the x-axis

Abbreviations

As a two-letter abbreviation, "IS", "Is", or "is" may refer to:

• IS - Iasi County (Romania) indicative
• ".is", Iceland's top-level Internet domain (TLD)
• IS, a manga about intersexuals by Chiyo Rokuhana
• IS tank, a Soviet heavy tank in World War II
• Locomotive IS, a Soviet passenger steam locomotive
• The Book of Isaiah, a book of the Bible
• Image stabilization, a family of techniques to reduce blur caused by lens shakes
• Immune system, organic mechanisms that protect against disease
• Independence Square, any of several public squares around the world
• Independent Soldiers, a Canadian gang
• Information science, the study of data collection, manipulation, and dissemination
• Information systems, organizations of data-processing persons, records, and activities
• Insertion sequence, a short DNA transposable element
• Intelligent Systems, a first-party videogame developer and internal team of Nintendo
• IntelliStar, a computer system used to display local forecasts on The Weather Channel
• Intermediate school, education between primary and secondary
• Internal security, the work of keeping domestic peace by a national force
• internal Section, a video game developed by Square
• International Sign, considered a pidgin sign language
• International Socialists, any of several Trotskyist political organizations
• Internet slang, slang terms used on the Internet and in text and instant messages
• Intersexual, an organism with sex characteristics neither exclusively male nor female
• Interstate, between states, in any of several meanings
• Intrinsic safety, a protection technique for electronic equipment in explosive atmospheres
• Inverness TMD, a railway station with depot code IS
• Isaiah, a prophet of the Bible, and namesake:
• Ísland or Iceland (ISO 3166-1 alpha-2), a North Atlantic nation
• Island, or isle, an isolated piece of land surrounded by water
• Íslenska or Icelandic (ISO 639-1 alpha-2), the language of Iceland
• Israel (NATO country code), a Middle Eastern nation
• Intelligent Sport, the Lexus IS compact-sized sedan made by Toyota
• International Standard, a mounting standard for the calipers and rotors of disc-type bicycle brake systems
• Interservice, between or among different branches of one nation's armed forces
• Investment/Saving equilibrium, a curve in the Keynesian IS/LM economic model
• Iosif Stalin or Joseph Stalin, General Secretary of the Soviet Union, and namesakes:
• Island Airlines (IATA reservation code), an American aviation firm merged into Air BC
• Istrebitel Sputnikov or interceptor of satellites, a Russian anti-satellite weapon
• InstallShield, a software tool for creating installers or software packages

See also

• E-Prime, a modified English syntax and vocabulary lacking all forms of "to be"
• Klingon language, a fictional language in the Star Trek universe lacking the verb "to be"
• Lexus IS a performance sedan from Lexus
• Orang Asli, a Malaysian people whose language lacks the verb "to be"
• Sioux languages, some of which lack the verb "to be"