| 項目 |
| S |
| S［square］ |
| S 状結腸［sigmoid colon］ |
| S 睡眠［synchronized sleep］ |
| S 波［S-wave; secondary wave］ |
| S 判［small size］ |
| S マーク［safety mark］ |
| s［second］ |
| □,＄［dollar］ |
| SA1［Kingdom of Saudi Arabia］ |
| SA2［store automation］ |
| SA3［systems analysis］ |
| S.A.1［Salvation Army］ |
| S.A.2［(フ) societe anonyme; (イ) societa anonima; (ス) sociedad anonima］ |
| S.A.3［South Africa］ |
| SAARC（サーク）［South Asian Association for Regional Cooperation］ |
| SAC1［Space Activities Commission］ |
| SAC2［Strategic Air Command］ |
| SACO［Special Action Committee on facilities and areas in Okinawa］ |
| SAD1［seasonal affective disorder］ |
| SAD2［system administrator］ |
| SADC［Southern African Development Community］ |
| SADF［South Asia Development Funds］ |
| SAF［structural adjustment facility］ |
| SAFTA［South Asian Free Trade Area］ |
| SAJ［Ski Association of Japan］ |
| SAL（サル）郵便［surface air lifted mail］ |
| SALT（ソルト）［Strategic Arms Limitation Talks （Treaty）］ |
| SAM1［surface-to-air missile］ |
| SAM2［Western Samoa］ |
| SAN［San Diego］ |
| S & L［savings and loan association］ |
| SAP［structural adjustment programs］ |
| SAPTA［South Asian Preferential Trade Agreement］ |
| SAR1［search and rescue system］ |
| SAR2［synthetic aperture radar］ |
| SAS1［Scandinavian Airlines System］ |
| SAS2［space adaptation syndrome］ |
| SAS3［Special Air Service］ |
| SAT1［Scholastic Aptitude Test］ |
| SAT2［Special Assault Team］ |
| SAW（ソウ）［surface acoustic wave（device）］ |
| SB1［Solomon Islands］ |
| SB2［store brand］ |
| Sb［(ラ) stibium］ |
| sb［stilb］ |
| SBF［Subic Bay Freeport Zone］ |
| SBR［styrene-butadiene rubber］ |
| SBS［sick-building syndrome］ |
| SBS 方式［simultaneous buy and sell tender system］ |
| SBU［strategic business unit］ |
| SC1［Republic of Seychelles］ |
| SC2［Security Council］ |
| SC3［shopping center］ |
| SC4［steeple chase］ |
| Sc［scandium］ |
| SCAD（スカッド）［subsonic cruise armed decoy］ |
| SCAP（スキャップ）［Supreme Commander for the Allied Powers （in Japan）］ |
| SCAR［Scientific Committee on Antarctic Research］ |
| SCCI［SAARC Chamber of Commerce and Industries］ |
| SCF［Save the Children Fund］ |
| SCLC［Southern Christian Leadership Conference］ |
| SCMS［serial copy management system］ |
| SCOR［Scientific Committee on Oceanic Research］ |
| SCP［single-cell protein］ |
| SCR［silicon controlled rectifier］ |
| SCSI（スカジー）［small computer system interface］ |
| SCT［sentence completion technique］ |
| scuba（スキューバ）［self-contained underwater breathing apparatus］ |
| SD1［Republic of the Sudan］ |
| SD2［sustainable development］ |
| S.D., s.d.［standard deviation］ |
| SD 法［semantic differential］ |
| SDA［Baghdad, Bagdad］ |
| SDF［Self-Defense Forces］ |
| SDI［Strategic Defense Initiative］ |
| SDJ［Sendai］ |
| SDP［Social Democratic Party］ |
| SDPJ［Social Democratic Party of Japan］ |
| SDR［special drawing rights］ |
| SDSS 計画［Sloan Digital Sky Survey］ |
| SE1［Kingdom of Sweden］ |
| SE2［sales engineer］ |
| SE3［sound effect］ |
| SE4［systems engineer］ |
| SE5［systems engineering］ |
| Se［(ド) Selen］ |
| SEA1［Seattle］ |
| SEA2［Single European Act］ |
| SEANWFZ［Southeast Asia Nuclear Weapon Free Zone Treaty］ |
| SEAQ［Stock Exchange Automated Quotation system］ |
| Seasat（シーサット）［sea satellite］ |
| SEATO（シアトー）［Southeast Asia Treaty Organization］ |
| SEC［Securities and Exchange Commission］ |
| sec［secant］ |
| sec.1［second］ |
| sec.2［secretary］ |
| SECAM（セカム）［(フ) sequentiel a memoire］ |
| SEL［Seoul］ |
| SELA（セラ）［(ス) Sistema Economico Latinoamericano］ |
| SEM［scanning electron microscope］ |
| SEMATECH［Semiconductor Manufacturing Technology Institute］ |
| SEN［Republic of Senegal］ |
| SET（セット）［secure electronic transaction］ |
| SEY［Republic of Seychelles］ |
| SF1［San Francisco］ |
| SF2［science fiction］ |
| SF3［secured facility］ |
| SF4［space fantasy］ |
| SF5［Swiss franc］ |
| SF マーク［safety fireworks mark］ |
| SFF［split fingered fastball］ |
| SFO［San Francisco］ |
| SFRC［steel fiber reinforced concrete］ |
| SFX［special effects］ |
| SG1［Republic of Singapore］ |
| SG2［secretary general］ |
| SG3［study group］ |
| SG マーク［safety goods mark］ |
| SGML［Standard Generalized Markup Language］ |
| SH［St.Helena ex.dep.］ |
| SHA［Shanghai］ |
| SHF［superhigh frequency］ |
| SI1［Republic of Slovenia］ |
| SI2［system integration］ |
| SI3［system integrator］ |
| SI4［(フ) Systeme international d'unites］ |
| Si［silicon］ |
| SIA1［Semiconductor Industry Association］ |
| SIA2［Sian］ |
| SICA［(ス) Sistema de Integracion Centroamericana］ |
| SICC コード［securities identification conference code］ |
| SICS［severely indebted countries］ |
| SIDS［sudden infant death syndrome］ |
| SIG（シグ）［special interest group］ |
| SIGGRAPH（シーグラフ）［Special Interest Group on Computer Graphics］ |
| SII［Structural Impediments Initiative］ |
| SIMC［(フ) Societe internationale pour la musique contemporaine］ |
| SIMEX（サイメックス）［Singapore International Monetary Exchange］ |
| SIMICS［Severely Indebted Middle-Income Countries］ |
| SIMM（シム）［single inline memory module］ |
| SIN1［Republic of Singapore］ |
| SIN2［Singapore］ |
| SIN3［strategic information network system］ |
| sin［sine］ |
| SIPRI（シプリ）［Stockholm International Peace Research Institute］ |
| SIS（シス）［strategic information system］ |
| S.I.S.［Secret Intelligence Service］ |
| SIT［static induction transistor］ |
| SJ［Svalbard and Jan Mayen Islands］ |
| SJC［San Jose］ |
| SK［Scandinavian Airlines System］ |
| SKD［Shouchiku-Kageki-Dan］ |
| SKN［Saint Christopher and Nevis］ |
| SL1［Republic of Sierra Leone］ |
| SL2［(ラ) sensus luminis］ |
| SL3［sleep learning］ |
| SL4［sporty & luxurious］ |
| SL5［steam locomotive］ |
| SLAC［Stanford Linear Accelerator Center］ |
| SLE1［Republic of Sierra Leone］ |
| SLE2［systemic lupus erythematosus］ |
| SLFP［Sri Lanka Freedom Party］ |
| SLO［Republic of Slovenia］ |
| SLOC（スロック）［sea lanes of communication］ |
| SLORC［State Law and Order Restoration Council］ |
| SLT［single lane transit］ |
| SM1［Republic of San Marino］ |
| SM2［sadism and masochism］ |
| SM3［sadomasochism］ |
| SM4［supermarket］ |
| SM5［systems management］ |
| Sm［samarium］ |
| SMDS［switched multimegabit data service］ |
| SME［small medium-size enterprise］ |
| SMF［stationary meteorological satellite］ |
| SMG［International Stoke Mandeville Games］ |
| SMON（スモン）［subacute myelo-optico-neuropathy］ |
| SMR［Republic of San Marino］ |
| SMT［surface mount technology］ |
| SMTP［simple mail transfer protocol］ |
| SN［Sabena Belgian World Airlines］ |
| SN 比［signal-to-noise ratio］ |
| Sn［(ラ) Stannum］ |
| SNA［System of National Accounts］ |
| SNCF［(フ) Societe nationale des chemins de fer francais］ |
| SNG1［satellite news gathering］ |
| SNG2［synthetic natural gas］ |
| Snobol（スノーボル）［String Oriented Symbolic Language］ |
| SO1［sneak out］ |
| SO2［Somali Democratic Republic］ |
| SO3［stand off］ |
| Soc.［society］ |
| SOCAP［Society of Consumer Affairs Professionals in Business］ |
| SOD［superoxide dismutase］ |
| SOF［Special Operations Forces］ |
| SOFA［Status of Forces Agreement］ |
| SOHO［small office home office］（ソーホー） |
| SoHo（ソーホー）［South of Houston Street］ |
| SOI［southern oscillation index］ |
| SOI 素子［silicon on insulating substrate］ |
| SOL［Solomon Islands］ |
| SOM［Somali Democratic Republic］ |
| sonar（ソナー）［sound navigation（and）ranging］ |
| SOR（ソール）［synchrotron orbital radiation］ |
| SOS（エスオーエス） |
| SOT［stay-on-tab］ |
| SOx（ソックス）［sulfur oxide］ |
| SP1［sales promotion］ |
| SP2［save point］ |
| SP3［security police］ |
| SP4［Shore Patrol］ |
| SP5［standard playing］ |
| SP6［subliminal perception］ |
| SP7［subliminal projection］ |
| SP 株価指数［Standard & Poor's Stock Price Index］ |
| SP 媒体［sales promotion media］ |
| SPC1［South Pacific Commission］ |
| SPC2［special purpose company］ |
| SPD［(ド) Sozialdemokratische Partei Deutschlands］ |
| SPDPM［Subcommission on Prevention of Discrimination and Protection of Minorities］ |
| SPEC［South Pacific Bureau for Economic Cooperation］ |
| SPECT［single photon emission computed tomography］ |
| SPEES［South Pacific Economic Exchange Support Center］ |
| SPF1［South Pacific Forum］ |
| SPF2［specific pathogen free］ |
| SPF3［sun protection factor］ |
| SPI［service price index］ |
| SPLA［Sudanese People's Liberation Army］ |
| SPLM［Sudanese People's Liberation Movement］ |
| SPM［suspended particulate matter］ |
| SPN［Saipan］ |
| SPNFZ 条約［South Pacific Nuclear Free Zone Treaty］ |
| SQ1［Singapore Airlines］ |
| SQ2［special quotation］ |
| SQC［statistical quality control］ |
| SQL［Structured Query Language］ |
| SQUID（スキッド）［superconducting quantum interference device］ |
| SR1［Republic of Suriname］ |
| SR2［Swissair］ |
| SR3［synchrotron radiation］ |
| SR 説［stimulus response theory］ |
| Sr［strontium］ |
| sr［steradian］ |
| SRAM［static random access memory］ |
| SRC1［Science Research Council］ |
| SRC2［steel-frame reinforced concrete］ |
| SRI1［Democratic Socialist Republic of Sri Lanka］ |
| SRI2［Stanford Research Institute］ |
| SRS エアバッグ［supplemental restraint system air bag］ |
| SS1［(ド) Schutzstaffel］ |
| SS2［service station］ |
| SS3［speed sensitive］ |
| SS4［sporty sedan］ |
| SS5［suspended solids］ |
| SS 通信［spread spectrum communication］ |
| SSD1［Safety, Security and Disarmament Talks］ |
| SSD2［Special Session of the United Nations General Assembly on Disarmament］ |
| SSDDS［self-service discount department store］ |
| SSDS［System of Social and Demographic Statistics］ |
| SSE［supply-side economics］ |
| SSI［small-scale integration］ |
| SSM［Specific Substance of Mycobacteriumtuberculosis（Maruyama）］ |
| SSM［surface-to-surface missile］ |
| SSM 調査［social stratification and social mobility］ |
| SSPE［subacute sclerosing panencephalitis］ |
| SSS［super sport sedan］ |
| SST1［social skills training］ |
| SST2［supersonic transport］ |
| SSTO［single stage take-off］ |
| SSVS［super smart vehicle systems］ |
| ST1［Democratic Republic of Sao Tome and Principe］ |
| ST2［sensitivity training］ |
| ST3［short track］ |
| ST4［speech therapist］ |
| ST マーク［safety toy mark］ |
| STABEX（スタベックス）［Stabilization of Export Earning Scheme］ |
| START（スタート）［Strategic Arms Reduction Talks （Treaty）］ |
| STD［sexually transmitted disease］ |
| Std.［standard］ |
| STEP1［Society for Testing English Proficiency］ |
| STEP2［standard for the exchange of product model data］ |
| STM［scanning tunneling microscope］ |
| STOL（ストール，エストール）［short takeoff and landing］ |
| STP［Democratic Republic of Sao Tome and Principe］ |
| STRIPS（ストリップス）［separate trading of registered interest and principal of securities］ |
| STS1［serologic （serological) tests for syphilis］ |
| STS2［Space Transportation System］ |
| STU［strategic technology unit］ |
| STV［subscription television］ |
| SU［Aeroflot］ |
| SUBROC（サブロック）［submarine rocket］ |
| SUD［Republic of the Sudan］ |
| SUI［Swiss Confederation］ |
| SUR［Republic of Suriname］ |
| SV［Republic of El Salvador］ |
| SV 40［Simian virus 40］ |
| Sv［sievert］ |
| SVA［Sotoshu Volunteer Association］ |
| S-VHS［super video home system］ |
| SVK［Slovak Republic］ |
| SVO［Sheremetyevo］ |
| SW1［shortwave］ |
| SW2［switch］ |
| SW3［switcher］ |
| SWAPO（スワポ）［South-west African People's Organization of Namibia］ |
| SWAT（スワット）［Special Weapons and Tactics］ |
| SWE［Kingdom of Sweden］ |
| SWIFT（スウィフト）［Society for Worldwide Interbank Financial Telecommunications］ |
| SWU［separate working unit］ |
| SWZ［Kingdom of Swaziland］ |
| SY［Syrian Arab Republic］ |
| SYD［Sydney］ |
| SYR［Syrian Arab Republic］ |
| .sys［system］ |
| SYSOP［system operator］ |
| SZ［Kingdom of Swaziland］ |