| s andromeda ... Sabaheddin |
| Sabal ... Sachsenhausen |
| Sachsenhausen Appellation ... Sadr Diwani 'Adalat |
| Sadr, Ayatollah Muhammad Baqir al- ... Saguaro National Park |
| Saguenay ... Saint Boniface |
| Saint Brice's Day massacre ... Saint Louis University |
| Saint Louis Zoo ... Saint-Andre, Jacques d'Albon, seigneur de |
| Saint-Andrew's-cross ... Saint-Sulpice, Society of |
| Saint-Trophime, Church of ... sal |
| Sal Island ... Salic Law of Succession |
| salic rock ... Salonika, Armistice of |
| Saloninus ... Sam and Dave |
| Sam Browne belt ... Samoa |
| Samoa ... San Cassiano Theatre |
| San Chiao ... San Lorenzo |
| San Lorenzo ... Sanarelli, Giuseppe |
| Sanatan Sikh ... Sandersiella acuminata |
| Sanderson, Frederick William ... sanitary landfill |
| sanitary paper ... Santa Cruz |
| Santa Cruz citadel ... Santi Giovanni e Paolo |
| Santi Giovanni e Paolo ... Sao Vicente |
| Sao Vicente Island ... Sarcolaenaceae |
| sarcolemma ... sarsen |
| Sarsenbayuly, Altynbek ... SATOR square |
| Satoraljaujhely ... Saussure, Nicolas-Theodore de |
| saussurite ... sawtooth wave |
| Sawu Island ... scallop |
| scalloped hammerhead ... Scenic Railway |
| scenic riding ... Schenker, Heinrich |
| schenti ... Schlumberger, Conrad |
| Schlumberger, Conrad and Marcel ... Schonlein, Johann Lukas |
| Schonthal, Ruth ... Schussel, Wolfgang |
| Schuster, Rudolf ... Scientific-Humanitarian Committee |
| scientific-realist education ... Scorpius X-1 |
| Scorsese, Martin ... scrawled filefish |
| screamer ... Scythian |
| Scythian art ... search and seizure |
| search engine ... Second Helvetic Confession |
| Second Idea ... secretary |
| secretary bird ... seeing-as |
| Seeker ... seismic wave |
| seismogram ... self-mutilation |
| self-perception theory ... semicolon |
| semiconductor ... Seneca Lake |
| Seneca, Lucius Annaeus ... separately-excited DC generator |
| separation ... serfdom |
| serge ... Servandoni, Giovanni Niccolo |
| Servants of India Society ... Seve, O. J. A. |
| Sevele, Feleti ... sexual abuse |
| sexual attractant ... shading |
| shading coil ... shakubuku |
| shakuhachi ... Shantung brown soil |
| Shantung Hills ... Shavshetsky |
| Shavuot ... sheep pox |
| sheep sorrel ... Shenute |
| Shenyang ... shibosi |
| shibui ... Shin Sang Ok |
| Shina language ... Shivpuri National Park |
| Shizuoka ... Short Type 184 |
| short vowel ... Shrewsbury, John Talbot, 1st earl of |
| Shrewsbury, Roger de Montgomery, 1st earl of ... Shuster, William Morgan |
| Shuswap ... Sickert, Walter Richard |
| Sickingen, Franz von ... Siemens, Werner von |
| Siemianowice Slaskie ... signature scandal |
| Signes ... silicon bronze |
| silicon carbide ... silver tetra |
| silver wattle ... Simond, Paul-Louis |
| Simonds, Ossian C. ... Sinclair, May |
| Sinclair, Sir Keith ... singularity |
| Sinha, Satyendra Prassano, 1st Baron Sinha of Raipur ... sirenian |
| sirenin ... Siwalik Range |
| Siwalik Series ... skewness |
| Skhul ... slab-gel electrophoresis |
| slab-tilt wall ... slender riccia |
| slender skink ... Slovak Ore Mountains |
| Slovak People's Party ... smectic-A phase |
| smectic-C phase ... Smith, Leslie Charles |
| Smith, Linda ... smooth snake |
| smooth sumac ... Snow, John |
| Snow, Lorenzo ... Social Democratic Party |
| Social Democratic Party ... Societe Liegeoise de Litterature Wallonne |
| Societe Miniere de Mauritanie ... soft base |
| soft coal ... Sol Indiges |
| Sol Invictus ... Solidaridad Catalana |
| Solidarity ... Somali National League |
| Somali National Movement ... Songdok |
| Songe ... Sordi, Alberto |
| sordone ... Soulouque, Faustin-Elie |
| Soult, Marshal ... South Australia |
| South Australia, Art Gallery of ... South Yorkshire |
| South, James ... Southern Sudan Liberation Movement |
| southern tamandua ... space suit |
| space tourism ... Spassky, Boris Vasilyevich |
| spastic cerebral palsy ... spectral line |
| spectral line series ... Spermo |
| Sperostoma giganteum ... Spilberk castle |
| Spilhaus, Athelstan Frederick ... spirea |
| Spiric, Nikola ... spongiform encephalopathy |
| spongillafly ... spreading centre |
| spreading club moss ... Squanto |
| Squarcione, Francesco ... SS-N-2 Styx |
| SS-N-3 Shaddock ... Stadion, Johann Philipp, Graf von |
| stadium ... Stampa, La |
| Stamperia Valdonega ... Stanthorpe |
| stantipes ... Stasi |
| Stasi Records Law ... statistics |
| Statists ... Steenrod, Norman |
| Steep Rock Lake belt ... stem Christiania |
| stem succulent ... stereocilium |
| stereocomparator ... Stewart, Balfour |
| Stewart, Donald ... Stinchcombe, Arthur L. |
| Stine, R.L. ... stoichiometry |
| Stoichkov, Hristo ... stonewort |
| Stoney, George Johnstone ... Strabane |
| strabismus ... strategic missile |
| Strategic National Stockpile ... Stredocesky |
| Streep, Meryl ... stringed instrument |
| stringer ... structural engineering |
| structural formula ... Stumpf, Johannes |
| stun gun ... subacute necrotizing encephalopathy |
| subacute sclerosing panencephalitis ... subpoena |
| subpoena duces tecum ... sucrose |
| suction dredge ... sugarcane |
| sugarcane beetle ... sulfate tetrahedron |
| sulfate turpentine ... Sumaco |
| Sumadija ... Sun Yun-liang |
| Sun Yun-suan ... supercomputer |
| superconducting coherence length ... supply line |
| supply train ... surface irrigation |
| surface mining ... Susanna, The History of |
| Susanoo ... Suzhou Museum |
| Suzhou River ... swamp black tupelo tree |
| swamp buffalo ... Sweet Honey In The Rock |
| sweet honeysuckle ... sword |
| Sword Beach ... symphonia |
| symphonia ... synthetic drug |
| synthetic dye ... szlachta |
| Szold Foundation, The ... |
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