| s andromeda ... Sa'id |
| Sa'id ibn Sultan ... Saatchi & Saatchi |
| Saatchi, Charles ... sabdadvaita |
| Sabellianism ... Sabzevari, 'Abd al-A'la al-Musawi al- |
| Sabzevari, Hajji Hadi ... sack |
| sackbut ... Sacred Pipe |
| sacred place ... sadhaka |
| sadhana ... safe-water buoy |
| Safeguarding of the Intangible Cultural Heritage, Convention for the ... Sagadahoc |
| Sagaing ... Sagunto |
| Saha equation ... Saidpur |
| Saietta, Ignazio ... Saint Anns Bay |
| Saint Anthony ... Saint Eirene, Church of |
| Saint Elias Mountains ... Saint John's Co-Cathedral |
| Saint John's College ... Saint Luke, Academy of |
| Saint Luke, Guild of ... Saint Paul's Cathedral |
| Saint Paul's Church ... Saint Vincent, Cape |
| Saint Vincent, Gulf ... Saint-Ferreol dam |
| Saint-Front ... Saint-Maurice River |
| Saint-Michel ... Sainte-Anne-de-Beaupre |
| Sainte-Beuve, Charles-Augustin ... Saite dynasty |
| Saito Makoto, Shishaku ... Sakishima islands |
| sakkana ... Salamanca, Daniel |
| Salamanca, University of ... Salem |
| Salem ... Salihiyyah |
| Salii ... Salkind, Alexander |
| Sall, Macky ... Salon d'Automne |
| Salon de M. le Prince ... salt stock |
| salt swamp ... Salvador |
| Salvador, Henri Gabriel ... Samakuva, Isaias |
| Samal ... samba |
| samba school ... Samnite |
| Samnite ... samskara |
| samskara ... San Antonio |
| San Antonio de la Florida ... San Domingo Improvement Company of New York |
| San Esteban Rey ... San Giovanni in Laterno |
| San Giovanni Rotondo ... San Leucio |
| San Lorenzo ... San Miguel del Padron |
| San Miguel, Gulf of ... San Telmo |
| San Valentin, Mount ... Sanchez, Salvador |
| Sanchez, Sonia ... sand rat |
| Sand River ... Sandersiella acuminata |
| Sanderson, Frederick William ... sandwich laminate |
| sandwich panel ... Sangkum Reastr Niyum |
| Sangli ... Sankt Gallen |
| Sankt Johann ... Sant'Agostino |
| Sant'Ambrogio Basilica ... Santa Cruz de Tenerife |
| Santa Cruz del Quiche ... Santa Maria della Piazza |
| Santa Maria della Salute ... Santana, Johan |
| Santana, Pedro ... Santo Antao Island |
| Santo Antonio, Cachoeira de ... Sanz, Jorge |
| Sao ... SAP |
| sap ... Saqqarah |
| Sar Mashhad ... Saratoga Springs |
| Saratoga, Battles of ... Sarego, Villa |
| Sarek National Park ... Sarlos, Andrew |
| Sarmad ... Sarton, George Alfred Leon |
| Sarton, May ... Sassafras |
| sassafras ... satinflower |
| satintail ... Saturn |
| Saturn ... Saul |
| Saul-Paul model ... Sauveur, Albert |
| Sauveur, Joseph ... Savinio, Alberto |
| Savinkov, Boris Viktorovich ... sawfly |
| Sawh, Satyadeow ... Say, Leon |
| Say, Thomas ... Scaevola, Quintus Mucius |
| Scaevola, Quintus Mucius ... Scandinavia |
| Scandinavian ... scarcity rent |
| Scardino, Marjorie ... Scelba, Mario |
| scena ... Schall von Bell, Adam |
| Schaller, George B. ... Scheibe, Johann Adolf |
| Scheidegg ... Schiarino-Rizzino, armistice of |
| Schiavo, Terry ... schistosity |
| Schistosoma ... Schlossberg |
| Schlossberg Museum ... Schnee, Charles |
| Schneerson, Menachem Mendel ... Scholastic Aptitude Test |
| Scholastica ... Schoppe, Amalie |
| Schorer, Mark ... Schubart, Christian Friedrich Daniel |
| Schubert, Franz ... Schurman, Anna Maria van |
| Schurz, Carl ... Schwarzenau |
| Schwarzenberg, Felix, Prince zu ... Science Museum of Victoria |
| Science of Judaism ... Scipio Africanus the Younger |
| Scipio Calvus, Gnaeus Cornelius ... Scoloplos |
| Scolops ... Scorpius X-1 |
| Scorsese, Martin ... Scott, George Lewis |
| Scott, Howard ... Scourian Complex |
| scout cruiser ... screw-cutting engine lathe |
| screw-thread pitch gauge ... scrub wallaby |
| scrub-bird ... Scytodes thoracica |
| Sderot ... sea orach |
| sea orange ... Seal, Sir Brajendranath |
| Sealab ... Seattle |
| Seattle ... sebum |
| SECAM system ... Second Jewish Commonwealth |
| second law of thermodynamics ... secondary emission coefficient |
| secondary ending ... secondary wave |
| secondary X ray ... Securities Exchange Act |
| securities trading ... sedimentary structure |
| sedimentation ... Sefer ha-bahir |
| Sefer ha-razim ... segregation |
| segregation ... Seipel, Ignaz |
| Seis del Solar ... seladang |
| Selaginella caulescens ... selenium cell |
| selenium compound ... self-report study |
| self-rising flour ... Selmi, Francesco |
| Selonian ... semi-ideal solution |
| semi-Pelagianism ... semirigid airship |
| semisedentary society ... Senancour, Etienne Pivert de |
| senapati ... Senegambia |
| Senegambia ... sense-datum |
| sensible heat ... Sep Szarzynski, Mikolaj |
| Sepahbad Shahreyar ... Septinsular Republic |
| Septobasidiales ... Serbia |
| Serbia ... Sergius III |
| Sergius IV ... serotonin |
| serotonin receptor ... serum total thyroxine |
| Serunkuma, Saint Bruno ... Sesioidea |
| Sesklo ... setscrew |
| Settat ... Seven, Group of |
| Seven, Group of ... Sevilla, University of |
| Seville Football Club ... sexton |
| Sexton, Anne ... Seymour, Lynn |
| Seymour, Thomas Seymour, Baron ... Shabbetai Tzevi |
| Shabbetaianism ... Shafi'i, Abu 'Abd Allah ash- |
| Shafi'iyah ... shahid |
| Shahin ... shakubuku |
| shakuhachi ... shampoo |
| shamrock ... Shanhaiguan |
| Shanidar ... Shapiro, Stewart |
| Shapley, Harlow ... Sharp, Granville |
| Sharp, John ... Shaw Festival |
| Shaw v. Reno ... Shchek |
| Shchepkin, Mikhail Semenovich ... Shechtman, Dan |
| Sheckley, Robert ... Shegarka River |
| Shegui ... shellac |
| Shelley v. Kraemer ... Sheopur |
| Shepard, Alan B., Jr. ... Sheridan, Thomas |
| sheriff ... Sheykhzadeh |
| SHF ... Shiga Naoya |
| Shigar ... Shilts, Randy Martin |
| shim rod ... shiner |
| Shiner, David ... Shipley, Jennifer |
| Shipman, Harold ... Shishman dynasty |
| Shishman, Ivan ... shoe |
| shoe ... Shooting Amateurs, Society of |
| shooting angle ... short-finned pilot whale |
| short-headed glider ... Shoshonean languages |
| Shoso House ... Shreve, Porter |
| Shreveport ... Shtokavian |
| Shtokman ... Shulgi |
| Shulhan 'arukh ... shuttleless loom |
| Shuvalov, Pyotr Andreyevich, Count ... Siberian ibex |
| Siberian iris ... Sicilian school |
| Sicilian sumac ... siderite |
| sideroblastic anemia ... Siebert, Muriel |
| Siebold maple ... Sierra Leone |
| Sierra Leone Development Company ... Sigel, Mike |
| Siger De Brabant ... signal-to-noise ratio |
| signaling ... Sikh Wars |
| sikhara ... Silesian Upland |
| Silesian Wars ... Silisili, Mount |
| Silistra ... Silpakorn University |
| Silphium ... Silver Spring |
| Silver Springs ... Simenon, Georges |
| Simeon ... Simon of Saint-Quentin |
| Simon Of Sudbury ... simple group |
| simple grouping system ... Simpson, William H. |
| Simpsons, The ... Sinclair, May |
| Sinclair, Sir Keith ... Singh, Manmohan |
| Singh, Raghubir ... single-ply roof |
| single-point cutting tool ... Sino-French War |
| Sino-Indian War ... Sion Cent |
| Siorpaes, Sergio ... Sirenoidei |
| sirenomelia ... Sistani, Ali al- |
| Sister Emmanuelle ... situla |
| Sitwell, Dame Edith ... Sixtus I, Saint |
| Sixtus II, Saint ... Skarga, Piotr |
| Skari, Bente ... ski jumping |
| ski kite-flying ... skittles |
| Skive ... Skyhook |
| Skylab ... slapstick |
| slash ... Slavophile |
| Slavyansk-na-Kubani ... Slessor, Kenneth |
| Slessor, Sir John Cotesworth ... slip plane |
| slip recovery system ... sloth |
| sloth bear ... SLR camera |
| sludge ... Small, Adam |
| Small, Albion W ... smelting |
| smelting reduction ... Smith, Art |
| Smith, Barnabas ... Smith, Joseph |
| Smith, Joseph F ... Smith, Tommie |
| Smith, Tony ... smokeless powder |
| smokeless tobacco ... smut |
| Smuts, Jan ... Sneeuberg |
| Sneevliet, Hendricus ... snow partridge |
| snow petrel ... Snyder, H. S. |
| Snyder, James G. ... social action, theory of |
| Social and Democratic Centre ... Social Democratic Workers' Party |
| social dialect ... Social Security Fund |
| Social Security number ... Socialized Medicine's Aches and Pains |
| Socially Engaged Buddhism ... sodalite |
| Sodano, Angelo Cardinal ... sodium polysulfide |
| sodium potassium oxalate ... soft X ray |
| soft-coated wheaten terrier ... Sohyo |
| Soi Dao, Mount ... sokutai |
| Sol ... solar year |
| solar-neutrino problem ... solicitor general |
| solid ... solitary wave |
| soliton ... Solovyov, Sergey Mikhaylovich |
| Solovyov, Vladimir A. ... Somali National League |
| Somali National Movement ... Somerville, Edith |
| Somerville, Mary ... sonata da chiesa |
| sonatina ... sonnet |
| Sonni 'Ali ... Soper, The Rev. Donald Oliver Soper, Baron |
| Sophene ... sore throat |
| soredium ... Sorsogon |
| sorting ... Soufflot, Jacques-Germain |
| Soufriere ... soundboard |
| sounding ... South African National Defence Force |
| South African Native Affairs Commission ... South Ayrshire |
| South Banda Basin ... South Indian temple architecture |
| South Island ... South Slavic languages |
| South Somerset ... southeastern Karakum |
| Southeastern Massachusetts University ... Southern Illinois University |
| Southern Khoisan languages ... Southern Urals |
| southern variant ... Sovetskaya Mountain |
| soviet ... space elevator |
| space exploration ... Spalacotherium |
| Spalatin, Georg ... Spanish Revolution of 1820 |
| Spanish Riding School of Vienna ... spatial summation |
| spatter cone ... specialization |
| specialization ... spectacled owl |
| spectacled porpoise ... speed metal |
| speed of light ... Spencer, Sir Baldwin |
| Spencer, Sir Stanley ... Speyer, Johann von |
| Speyer, Wendelin von ... sphincter of Oddi |
| sphincter urethrae ... spike oil |
| spike rampion ... spindle |
| spindle bomb ... spiny pocket mouse |
| spiny saltbush ... Spiritual |
| spiritual assembly ... spleenwort |
| splendid fairy wren ... spondylolisthesis |
| spondylosis ... sporophyte |
| sporophytic self-incompatibility ... spotted skunk |
| spotted slate ... spring |
| Spring and Autumn Period ... sprinkler system |
| sprint ... squamous cell carcinoma |
| squamous epithelium ... squire |
| Squire, Sir J C ... Srinivas, M. N. |
| Sriranga I ... St. Francis of Assisi, Church of |
| St. George I ... St. Superan, Pierre de |
| St. Tryphon Cathedral ... Stadion, Johann Philipp, Graf von |
| stadium ... staging |
| staging ... Stallo, Johann Bernard |
| Stallone, Sylvester ... Standard Limited, The |
| standard Manchester terrier ... Stang, Sister Dorothy |
| Stangeria ... Stanton, Edward |
| Stanton, Edwin M ... Star TV |
| Star Wars ... Starovoytova, Galina Vasilyevna |
| Starr, Bart ... State Charities Aid Association |
| State Children's Health Insurance Program ... States Bible |
| States General ... statoblast |
| statocyst ... Stavrovouni |
| Stax/Volt Records ... steel rib set |
| steel square ... Steffen, Albert |
| Steffen, Britta ... Steinitz, Wilhelm |
| Steinkjer ... Stemonitis |
| Sten gun ... Stephen |
| Stephen (II) ... stepped lending |
| Steppenwolf Theatre Company ... Stern, Avraham |
| Stern, Elizabeth ... Stevens, Brooks |
| Stevens, Craig ... Stewart, Martha |
| Stewart, Patrick ... stiff-mud process |
| stifftail ... Stimson, Henry L |
| stimulant ... Stirling, Sir James |
| Stirling, William Alexander, 1st Earl of, Viscount Of Canada, Viscount Of Stirling, Lord Alexander Of Tullibody ... Stockholm Annex |
| Stockholm Appeal of 1950 ... Stokes lines |
| Stokes mortar ... stomate |
| stomatogastric head ganglion ... stonefly |
| Stonehenge ... storage discharge station |
| storage pool ... Storyville |
| Stoss, Veit ... Strafford |
| Strafford, Thomas Wentworth, 1st earl of, Baron Of Raby ... strange loop |
| strange quark ... Strategic Defense Initiative |
| strategic embargo ... Stratonice |
| stratopause ... strawberry tongue |
| strawberry tree ... Strelitzia augusta |
| Strelitziaceae ... stretch ratio |
| stretch receptor ... string theory |
| string trio ... Stroganov, Yakov |
| Stroheim, Erich von ... Strophanthus |
| Strophanthus sarmentosus ... structure-of-intellect theory |
| structured data ... Stuckelberg de Breidenbach, Ernest C.G. |
| Stuckofen ... Stumpf, Johannes |
| stun gun ... Stuttgart |
| Stuttgart ... SU(3) symmetry |
| SU(5) symmetry ... subcarrier |
| subclavian artery ... sublevel caving |
| sublevel stoping ... subprefect |
| Subprime Mortgages: A Catalyst for Global Chaos ... substitutive nomenclature |
| substorm-wedge current system ... Suchinda Kraprayoon |
| Suchocka, Hanna ... Sudbury Lopolith |
| Sudbury Neutrino Observatory ... suffix |
| suffocation ... Sugawara Michizane |
| Suger ... Sukhothai style |
| Sukhovo-Kobylin, Aleksandr ... Suleyman |
| Suleyman ... sulfoxide |
| sulfur ... Sullivan, Louis |
| Sullivan, Mick ... Sumatra |
| sumatra barb ... summer phlox |
| summer solstice ... Sun Quan |
| Sun Ra ... Sunderman, F William |
| sundew ... sunyata |
| Sunzha River ... superdelegate |
| Superdome ... supermarket |
| supermassive black hole ... Suppes, Patrick |
| Suppiluliumas I ... Supreme Council of the Inquisition |
| Supreme Council of the Magistrature ... suramin |
| Surat ... surface-active agent |
| surface-energy budget ... surplice |
| surplus ... Surya dynasty |
| Suryavamsi ... Sussex marble |
| Sussex Pledge ... suttee |
| Sutter's Fort ... Svalbard |
| Svalbard Global Seed Vault ... Svindal, Aksel Lund |
| Svingen, Arne ... Swami-Narayani |
| Swaminathan, M S ... Swarthmoor Hall |
| Swarthmore ... Swedish robot |
| Swedish Social Democratic Party ... sweetsop |
| sweetveld ... Swinburne, Algernon Charles |
| Swinburne, Richard ... swollen shoot |
| Swope, Gerard ... Sykes, Sir Mark, 6th Baronet |
| Sykes-Picot Agreement ... Symmachus, Saint |
| symmetria ... Syn-Ket |
| synagogue ... syndicate |
| Syndinea ... synthetic drug |
| synthetic dye ... syringomyelocele |
| syrinx ... Szarkowski, John |
| Szatmar, Treaty of ... |
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