List of Acronyms and Initialisms: S - SP

SP

• Sp
  • (p) Special
  • Spring tide (nautical charts)
  • (i) sine prole (Latin, “without offspring”)
• SP
  • (i) Security Police
  • Self-Propelled
  • Shore Patrol
  • (s) Spain (FIPS 10-4 country code)
  • (i) Start Point
  • Strong Point
• spa — (s) Spanish language (ISO 639-2 code)
• SPAAG — (a) Self-Propelled Anti-Aircraft Gun
• SPACECOM — (p) (U.S.) Space Command
• Spaser, Surface plasmon amplification by stimulated emission of radiation
• SPC — (i) Secretariat of the Pacific Community
• SPCO — (i) Single-Pole Change Over
• SPD
  • (i) Shimano Pedaling Dynamics
  • Sozialdemokratische Partei Deutschlands (Social Democratic Party of Germany)
• SPDT — (i) Single-Pole Double-Throw
• SPEAC — (a) Stop Primate Experiments at Cambridge (later became SPEAK)
• SPEED — (a) Subsistence Preparation by Electronic Energy Diffusion (early military microwave oven)
• SPIE — (i) originally the Society for Photo-Optical Instrumentation Engineers (“SPIE — The International Society for Optical Engineering” 1981–2007, “SPIE” since 2007)
• SPL
  • (i) Scottish Premier League
  • Superior Parietal Lobule
  • Sound Pressure Level
• SPM — (s) Saint Pierre and Miquelon (ISO 3166 trigram)
• SPOD — (a/i) Sea Port of Debarkation
• SPOE — (a/i) Sea Port of Embarkation
• SPOT — (a) Satellite pour l'observation de la Terre (French, “Satellite for Earth Observation”)
• SPQR — (i) Senatus Populusque Romanus (Latin “The Senate and the People of Rome”)
• sps — (i) sine prole superstite (Latin, “without surviving issue”)
• SPS — (i) Standard Positioning Service (GPS)
• SPST — (i) Single-Pole Single-Throw