List of acronyms: S

This list contains acronyms, initialisms, and pseudo-blends that begin with the letter S.

For the purposes of this list:

  • acronym = an abbreviation pronounced as if it were a word, e.g., SARS = severe acute respiratory syndrome, pronounced to rhyme with cars
  • initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc, pronounced cee dee
  • pseudo-blend = an abbreviation whose extra or omitted letters mean that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).
(a) = acronym, e.g.: SARS – (a) severe acute respiratory syndrome
(i) = initialism, e.g.: CD – (i) compact disc
(p) = pseudo-blend, e.g.: UNIFEM – (p) United Nations Development Fund for Women
(s) = symbol (none of the above, representing and pronounced as something else; for example: MHz – Megahertz)

(Main list of acronyms)

S0–9
  • S followed by a number is used to denote various German and Austrian S-train lines.
  • S4C — (i) Sianel Pedwar Cymru (Welsh, "Channel Four Wales")
  • S3 - (i) Alternative to SSS (e.g. Amazon S3)

SA

SB

SC
  • sc — (s) Sardinian language (ISO 639-1 code)
  • Sc — (s) Scandium
  • SC
  • SCA
  • SCAP — (a) Supreme Commander Allied Powers (Allied occupation of Japan)
  • sccm — (s) Standard cubic centimetre per minute (unit of measurement of fluid flow)
  • sccs — (s) Standard cubic centimetre per second (unit of measurement of fluid flow)
  • scfh — (s) Standard cubic foot per hour (unit of measurement of fluid flow)
  • scfm — (s) Standard cubic foot per minute (unit of measurement of fluid flow)
  • scfs — (s) Standard cubic foot per second (unit of measurement of fluid flow)
  • SCG — (s) Serbia and Montenegro (ISO 3166 trigram; defunct since 2006)
  • SCHIMS — (i) Soldier Combat Helmet Identification Marking System
  • SCHIP — (a) State Children's Health Insurance Program (U.S.; often pronounced "ess-chip")
  • SciFi — Science Fiction
  • sCJD — (i) Sporadic Creutzfeldt–Jakob disease
  • SCM — (i) Surface Contamination Module
  • SCMODS — (s) State, County, Municipal Offender Data System
  • SCN — (p) Suprachiasmatic Nucleus
  • SCNT — (i) Somatic Cell Nuclear Transfer
  • SCO
  • SCOTUS — (a) Supreme Court of the United States
  • SCR — (s) Seychelles rupee (ISO 4217 currency code)
  • SCRAM — (a) Safety Control Rod Axe Man
  • SCS
    • (i) Scan Correlated Shift
    • Soil Conservation Service
  • SCSI
    • (a) Small Computer System Interface (“scuzzy”)
    • (i) Strategic and Combat Studies Institute
  • SCT — (s) Scattered Sky (METAR Code)
  • SCTP — (i) Stream Control Transmission Protocol
  • Scuba — (a) Self Contained Underwater Breathing Apparatus
  • SCUF — Slow Continuous Ultrafiltration
  • SCUFN — (i) Sub-Committee on Undersea Feature Names (of GEBCO)

SD

SE
  • se — (s) Northern Sami language (ISO 639-1 code)
  • Se — (s) Selenium
  • SE
  • SEAD — (i) Suppression of Enemy Air Defence(s)
  • SEADI — (i) Senior Executioner of Approved Driving Instructors
  • SEAFDEC — (p) Southeast Asian Fisheries Development Center
  • SEAL — (p) SEa-Air-Land
  • SEAT — (a) Sociedad Española de Automóviles de Turismo (Spanish for "Spanish Touring Car Company")
  • SEATO — (a) Southeast Asia Treaty Organization
  • SeaWiFS — (p) Sea-Viewing Wide Field of View Sensor (satellite instrument)
  • SEC
  • SECaaS - (p) Security-as-a-Service
  • SECAM — (a) Séquentiel couleur à mémoire (French for “Colour Sequential with Memory”; TV standard, cf. NTSC, PAL)
  • SECDEF — (p) (U.S.) Secretary of Defense
  • SED — (i) CERDEC Software Engineering Directorate
  • SEDRIS — (a) Synthetic Environment Data Representation and Interchange Specification
  • SEE — (a) Small Emplacement Excavator
  • SEG — (i) Society of Exploration Geophysicists
  • SEG — (i) Special Escort Group
  • SEK — (s) Swedish krona (ISO 4217 currency code)
  • Selkent — (p) South East London & Kent Bus Company
  • SELT — (a) Single Ended Line Test (ing)
  • SEM
    • (i/a) Sensor Employment Manager
    • Switch to Email Mode, i.e. stop texting as it is more disruptive by making a sound or vibrating and email instead, for a given time
  • SEN
  • SEP
    • (i) Somebody Else's Problem
    • Spherical Error Probable
    • System Enhancement Package
    • System Engineering Plan
  • SEPTA — (i) Southeastern Pennsylvania Rapid-Transit Authority
  • SERE — (i) Survival, Evasion, Resistance and Escape
  • SESSPE — (a) Submarine Escape and Surface Survival Personnel Equipment
  • SET — (p) Staphylococcal EnteroToxin
  • SETI — (a) Search for ExtraTerrestrial Intelligence
  • SETAC — (a) Society for Environmental Toxicology and Chemistry
  • SEU
    • (i) Single Event Upset (solid state physics)
    • Slightly Enriched Uranium
    • Special Evidence Unit

SF

SG

SH

SI

SJ

SK

SL

SM

SN

SO

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
  • SPAL — (a) Società Polisportiva Ars et Labor ("Art & Labor Sports Club", with the "SP" from Italian and "AL" from Latin), Italian football club
  • Spaser — (a) Surface plasmon amplification by stimulated emission of radiation
  • SPC — (i) Secretariat of the Pacific Community
  • SPCO — (i) Single-Pole Change Over
  • SPD
  • SPDT — (i) Single-Pole Double-Throw
  • SPEAC — (a) Stop Primate Experiments at Cambridge (later became SPEAK)
  • SPECTRE — SPecial Executive for Counter-intelligence, Terrorism, Revenge and Extortion
  • S.P.E.A.R. - Spontaneous Protection Enabling Accelerated Response
  • 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
  • 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

SQ

SR
  • sr — (s) Serbian language (ISO 639-1 code)
  • Sr — (s) Strontium
  • SR
  • SR — (i) Sustained release of a drug
  • SRAM
  • SR-ATGW — (i) Short-Range Anti-Tank Guided Weapon
  • SRB — (i) Solid Rocket Booster
  • SRBM — (i) Short-Range Ballistic Missile (cf. IRBM, ICBM)
  • SRC — (i) Scheduled Removal Component
  • srd — (s) Sardinian language (ISO 639-2 code)
  • SRD
    • (i) Science Requirements Document
    • (s) Surinam dollar (ISO 4217 currency code)
  • SREL — (i) Savannah River Ecology Laboratory
  • SRG
    • (i) SACEUR Rover Group
    • Special Republican Guard
  • SRGW — (i) Short-Range Guided Weapon
  • SRL
    • (i) Savannah River Laboratory
    • Single Rocket Launcher
    • Survival Research Labs
  • SRM — (i) Specified Risk Material(s)
  • srp — (s) Serbian language (ISO 639-2 code)
  • SRS — (i) Savannah River Site
  • SRSP — (i) Science and Religion in Schools Project
  • SRTP — (i) [Secure Real-time Transport Protocol]

SS
  • ss — (s) Swati language (ISO 639-1 code)
  • SS
  • SSA
  • SSB — (a) Single-sideband modulation
  • SSB — (i) Sacramento Sustainable Business
  • SSBN — (s) Nuclear-Powered Ballistic Missile Submarine (US Navy hull classification)
  • SSC
    • (i) Safe, Sane, Consensual (SM phrase)
    • Secondary Somatosensory Cortex
    • Smaller-Scale Contingency
    • U.S. Army Soldiers System Center (Natick, Massachusetts)
    • Superconducting Super Collider
  • SSCCATAGAPP — Singles, Seniors, Childless Couples, And Teens And Gays Against Parasitic Parents (fictional organization from The Simpsons)
  • SSD
  • SSDC — (i) U.S. Space and Strategic Defense Command
  • SSDD
    • (i) Same Shit, Different Day
    • Single-Sided Double-Density (floppy disk)
  • SSE
  • SSG — (s) Guided Missile Submarine (retired US Navy hull classification)
  • SSGN — (s) Nuclear-Powered Guided Missile Submarine (US Navy hull classification)
  • SSH — (i) Saffir-Simpson Hurricane scale
  • SSK — (s) Hunter-Killer Submarine (retired US Navy hull classification)
  • SSKP — (i) Single-Shot Kill Probability
  • SSL — (i) Secure Sockets Layer
  • SSM — (i) Surface-to-Surface (Guided) Missile
  • SSN
  • SSNW — (i) Same Shit, New Wrapping
  • SSO — (s) Submarine Oiler (retired US Navy hull classification)
  • SSP — (s) Submarine Transport (retired US Navy hull classification)
  • SSR
    • (s) Radar Picket Submarine (retired US Navy hull classification)
    • (i) Solid State Recorder
  • SSRI
    • (i) Selective Serotonin Reuptake Inhibitor
    • Social Systems Research Institute
  • SSRN
  • SSS
  • S/SSM — (i) Surface-to-Subsurface Missile
  • SST
    • (i) SuperSonic Transport
    • (s) Training Submarine (US Navy hull classification)
    • Saturated Suction Temperature (refrigeration cycles)
  • SSTO — (i) Single-Stage To Orbit
  • SSV — (i) Soft-Skinned Vehicle (i.e., unarmoured)
  • ssw — (s) Swati language (ISO 639-2 code)
  • SSW — (s) South South-West

ST

SU

SV

SW
  • sw — (s) Swahili language (ISO 639-1 code)
  • SW
    • (s) South-West ordinal direction
    • Sweden (FIPS 10-4 country code)
    • (a) Shortwave
  • swa — (s) Swahili language (ISO 639-2 code)
  • SWA
    • (i/a) Secure Web Access
    • South-West Asia
  • SWAC — (p) Southwestern Athletic Conference
  • SWALK — (a) Sealed With A Loving Kiss
  • SWAN — (a) System for Wearable Audio Navigation
  • SWAP — (a) Surface Waters Acidification Programme
  • SWAPO — (a) South-West Africa People's Organisation
  • SWAT — (a) Special Weapons And Tactics
  • swe — (s) Swedish language (ISO 639-2 code)
  • SWE — (s) Sweden (ISO 3166 trigram)
  • SWF
  • SWG
    • (i) Surface Warfare Group
    • Symbology Working Group
  • SWHR — (i) Society for Women's Health Research
  • SWIG — (a) Simplified Wrapper and Interface Generator
  • SWIR — (a/i) Short Wave InfraRed (“ss-why-are” or “swhirr”)
  • SWLABR
    • (i) She Was Like A Bearded Rainbow
    • Cream song (Bruce, Clapton and Baker)
  • SWORD — (p) Subjective WORkload Dominance
  • SWORDS — (a) Special Weapons Observation Reconnaissance Detection System
  • SWOT — (a) Strengths, Weaknesses, Opportunities, Threats (mnemonic)
  • SWP
    • (i) Special Working Party (“swipp”)
    • Systematic Westing Plan (a plan of periodic westing of shares or mutual funds worth a fixed amount of money)
    • Skill with prize (UK pub quiz machines — quality titles include: Pub Quiz, Quiz City, Frog in a Liquidizer, Who Wants To Win a Tenner?)
  • SWT — (i) Sea Water Tank
  • SWV — (i) Sisters With Voices (American female R&B vocal group)
  • SWZ — (s) Swaziland (ISO 3166 trigram)

SX

SY
  • SY — (s) Syria (ISO 3166 and FIPS 10-4 country code digram)
  • SYC — (s) Seychelles (ISO 3166 trigram)
  • SYLK — Microsoft 'Symbolic Link' data file format
  • SYP — (s) Syrian pound (ISO 4217 currency code)
  • SYR — (s) Syria (ISO 3166 trigram)
  • Syriza — (p) Synaspismós Rizospastikís Aristerás (Greek Συνασπισμός Ριζοσπαστικής Αριστεράς,"Coalition of the Radical Left")
  • SysML — (p) System Modeling Language
  • Sysop — (p) System Operator

SZ
gollark: Surely you can just duct-tape some extra page onto the bottom of your page, though.
gollark: I simply store all journal-related things on a computer for trivial reformatting.
gollark: The chemtrail nanobot beams hiding the fake Moon will warm up your scones nicely.
gollark: If you don't have one just find a 5G tower!
gollark: SMH my head, just microwave the scönes?

References
  1. Society of Automotive Engineers
  2. Replaced Interstate Commerce Commission on January 1st, 1996
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