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The Collaborative International Dictionary

Sulphonium \Sul*pho"ni*um\, n. [Sulphur + ammonium.] (Chem.) A hypothetical radical, SH3, regarded as the type and nucleus of the sulphines.


SH3 or SH-3 may refer to:

  • SH3 domain, a protein structural domain thought to be involved in the formation of productive protein-protein binding interactions
  • Renesas SH-3, a member of the SuperH microprocessor family, used in mobile and hand-held devices
  • Silent Hill 3, the third installment in the Silent Hill survival horror video game series published by Konami
  • Shadow Hearts: From The New World, the third game in the Shadow Hearts series.
  • Silent Hunter III, a submarine simulation developed and published by Ubisoft.
  • State Highway 3, a common highway name in many countries
  • Sikorsky SH-3 Sea King, also known as "Sikorsky S-61", a military helicopter produced by the United States
  • Stronghold 3 a medieval castle-building simulation game from Firefly Studios. released on September 30, 2011.