- s ... Sá-Carneiro, Mário de
- Sa-ga zla-ba ... Sabas, Saint
- Sabasṭiyah ... Saboteur
- Saboteur: Code Name Morituri, The ... Sacheon
- Sacher-Masoch, Chevalier Leopold von ... sacred clown
- Sacred College of Cardinals ... Sadāśiva Rāo
- Sādāt ʿAlī Khan ... Ṣadr, Ayatollah Muḥammad Bāqir al-
- Sadr, Muqtada al- ... safflorite
- safflower ... Sagittaria platyphylla
- Sagittaria sagittifolia ... Saho-Afar languages
- Sahpo Muxika ... Saint Albans
- Saint Albans Abbey ... Saint Fermín, Festival of
- Saint Fin Barre ... Saint Laurent, Yves Henri Donat Mathieu-
- Saint Lawrence ... Saint Paul’s Church
- Saint Paul’s Outside the Walls ... Saint-Cyr
- Saint-Cyr ... Saint-Nazaire
- Saint-Nazaire, Cathedral of ... Saints Peter and Paul, Church of
- Saints Peter and Paul, Feast of ... Sakha-Tyla language
- Sakhalin ... Salamanca, University of
- salamander ... salep
- saleplon ... salinity
- Salinity-Temperature-Depth system ... Salmonella arizonae
- Salmonella choleraesuis ... salt deposit
- salt dome ... saltwater lake
- saltwater pearl ... Sam Bass
- Sam Browne belt ... sambal
- Sambalpur ... Samo
- Samoa ... Samuel of Nehardea
- Samuel the Ḥasid ... San Clemente
- San Clemente ... San Germán
- San Germano ... San Luis
- San Luis ... San Roque Dam
- San Salvador ... Sancho I Garcés
- Sancho II ... sand quillwort
- sand rat ... sandfish
- sandfly ... Sandy, Hurricane
- Sandy, Post-Tropical Cyclone ... Sanguozhi yanyi
- Sangvor ... Sannō Ichijitsu Shintō
- sannyasi ... Santa Catarina River
- Santa Catarina, Serra de ... Santa Maria del Carmine, Church of
- Santa Maria del Carmine, Church of ... Santelli, Rick
- Santer, Jacques ... Santos Zelaya, José
- Santos, Eugénio dos ... São Pedro do Rio Grande do Sul
- São Pedro e São Paulo, Penedos de ... Saprolegniales
- saprolite ... Sarangpur
- Saransk ... Sardinella sagax melanosticta
- sardines ... Sarmiento de Gamboa, Pedro
- Sarmiento, Domingo Faustino ... Sarum Use
- Saruma ... Sastri, Srinivasa
- Sastri, Valangiman Sankarana-rayana Srinivasa ... Sátoraljaújhely
- Satori ... Satyr Against Mankind
- Satyr Against Wit ... Saunders, Richard
- Saunders, Sir Charles ... Sāvant Singh
- savant syndrome ... Savoy Big Five
- Savoy Conference ... saxitoxin
- Saxnôt ... Saʿd Zaghlūl Pasha ibn Ibrāhīm
- Saʿdābād Pact ... scalding
- scalding ... scanning pattern
- scanning spectrometer ... scarlet pimpernel
- Scarlet Pimpernel, The ... scenic riding
- Scenopinidae ... Schaumburg-Lippe
- Schauspiel ... Scherman, David E.
- Schermerhorn, Caroline Webster ... Schistosoma
- Schistosoma haematobium ... Schloss, Das
- Schloss, William ... Schneider, David
- Schneider, Eugène ... Schöne Brunnen
- schöne Müllerin, Die ... Schrader, Paul
- Schramm, Dave ... Schumacher, Ernst Friedrich
- Schumacher, Kurt ... Schwarzenegger, Arnold
- Schwarzenegger, Arnold Alois ... Science Fiction and Fantasy Writers of America
- Science Fiction Writers of America ... Scipio, Lucius
- Scipio, Publius Cornelius ... Scolytus multistriatus
- Scomber japonicus ... Scorpionida
- Scorpions ... Scott, Lizabeth
- Scott, Mike ... Scrantonia
- Scrap Book ... Scripps College
- Scripps Howard National Spelling Bee ... Sculptor’s Funeral, The
- Sculptura ... se-p’iri
- Se7en ... sea otter’s cabbage
- sea pancake ... seal
- seal ... Season of Adventure
- Season of Anomy ... Sebecosuchia
- sebeel ... Second Coming
- Second Coming, The ... Second Star of Africa
- Second String Quartet ... secondary phloem
- secondary phosphate ... secretor system
- secretory granule ... Sederholm, Jakob Johannes
- sedge ... seed dormancy
- seed drill ... Sefrioui, Ahmed
- Sefström, Nils Gabriel ... Sehna rug
- Sehnsucht der Veronika Voss, Der ... Seiwell, Denny
- Seiyō jijō ... Select Decisions of the United States Supreme Court
- Selected Letters of Allen Ginsberg and Gary Snyder, The ... self-care equipment
- self-concept ... Selim I
- Selim II ... Semana de Arte Moderna
- Semang ... Seminole
- Seminole ... Sena dynasty
- Sena Gallica ... Senegambia
- Senenmut ... Sensitive High Resolution Ion Microprobe
- sensitive plant ... Seoul Metropolitan Council
- Seoul virus ... septibranch ctenidium
- Septibranchoida ... Serapion
- Serapion Brothers ... Sergiyevsky Posad
- Sergo ... serotine
- serotonin ... Sérusier, Louis-Paul-Henri
- Sérusier, Paul ... sesquiterpene
- Sessa Aurunca ... Setophaga ruticilla
- Setouchi ... Seven Nation Army
- Seven Oaks Massacre ... severe local storm watch
- severe obesity ... sewed-braid coiling
- Sewell Mining Town ... sexual intercourse
- sexual mosaic ... Sforza, Francesco
- Sforza, Galeazzo Maria ... Shadehill Dam
- Shades of Blue ... Shagamu
- Shagari, Alhaji Shehu Usman Aliyu ... Shakai Taishūtō
- Shakapanga ... Shālīmār
- Shālīmār Garden ... Shan-hai-kuan
- Shan-hsi ... Shannon’s entropy
- Shannon, Charles ... shar-pei
- Shara ... Sharp Dressed Man
- Sharp Objects ... Shavgar
- shaving ... Shcheglovsk
- Shchek ... shed roof
- Shed, the ... shehnai
- Shehu Ahmadu Lobbo ... shell shock
- shell star ... Shenouda III
- Shenoudi ... Shergil, Amrita
- shergottite ... Shi Le
- Shi Miyuan ... Shiguo
- Shih Fen ... shimmy
- Shimo ... Shinsei taii
- Shinseitō ... Shirazi
- Shīrāzī, Quṭb ad-Dīn ash- ... Shizu
- Shizu ... Shoeshine
- shoestring sand ... shore pine
- Shore scleroscope ... short-tailed pouched rat
- short-tailed rat ... Should you use a credit union or a bank?
- shoulder ... Shrewsbury, Charles Talbot, Duke and 12th Earl of
- Shrewsbury, Charles Talbot, Duke and 12th Earl of, Marquess of Alton ... Shubert, Jacob J.
- Shubert, Jake ... Shuppiluliumash I
- Shuqayrī, Aḥmad ... Sia
- Siachen Glacier ... Siboglinum weberi
- Sibolga ... Siddhānta school
- Siddhanta-siromani ... Sidney
- Sidney Myer Music Bowl ... Siĕmréab
- Siena ... Sigebert I
- Sigebert II ... signet ring
- significance ... Sikyatki
- Sikyonela ... silicate glass
- silicate layer ... Silla, Mount
- Sillaginidae ... silver cockscomb
- Silver Cord, The ... Silvestre, Manuel Fernández
- Silvestri, Filippo ... Simmel, Georg
- Simmental ... Simons, Raf
- Simons, Walter ... Simpson, Norman Frederick
- Simpson, O. J. ... Sinarquismo
- Şinasi, İbrahim ... Singeing of the King of Spain’s Beard
- Singel Canal ... single-elimination tournament
- single-field condenser-objective lens ... Sinn Féin The Workers
- Sinn Féin–the Workers’ Party ... SIOP
- Siorpaes, Sergio ... siren
- Siren ... Sisley, Alfred
- Sismondi, J.-C.-L. Simonde de ... Sithole, Ndabaningi
- Sithonia ... Six Ancient Kilns of Japan
- Six Articles, Act of ... Sjöberg, Alf
- Sjöberg, Birger ... Skelton Glacier
- Skelton, John ... Skinner, Cornelia Otis
- Skinner, Otis ... Skunk River
- Skunk Works ... slam dancing
- slam poetry ... slavery
- slavery ... Sleeping Venus
- Sleeping with the Enemy ... Sligeach
- Sligh v. Kirkwood ... sloe
- sloe gin ... slow virus
- slow worm ... small strain
- small teasel ... Smedley, Agnes
- Smedt, Francis de ... Smith, A. J. M.
- Smith, Abby Hadassah ... Smith, Jean Kennedy
- Smith, Jedediah ... Smith, William
- Smith, William ... Smon-lam chen-mo
- Smoot, George F. ... snake eel
- Snake Eyes ... Sněžka, Mount
- SNI ... Snow White and the Huntsman
- Snow White and the Seven Dwarfs ... Snyder, Zack
- Snyders, Frans ... Soccer War
- socci ... social group
- social hierarchy ... social-psychological component
- social-reconstructionist education ... sociobiology
- Sociobiology: The New Synthesis ... sodium dodecyl sulfate
- sodium erythorbate ... Soft Machine, The
- soft magnetic material ... Sohn, Der
- SOHO ... sol-fa
- sol-gel microsphere pelletization ... Solar-B
- solar-power array ... solfatara field
- solfège ... soliton
- Šoljan, Antun ... Solstad, Dag
- solstice ... somatopleure
- somatosensory area ... Something I’ve Been Meaning to Tell You
- Something in Disguise ... Son of the Pink Panther
- Son of the Sheik, The ... Song of Songs, The
- Song of Styrene, The ... Songyue Temple
- Songze culture ... sooty mold
- sooty mould ... Sorcerer’s Apprentice, The
- Sorcerer, The ... Sorrow of Belgium, The
- Sorrow of Bihār ... Soubise, Hôtel de
- soubrette ... Sound of One Hand Clapping, The
- Sound of Philadelphia, The ... Soustelle, Jacques-Émile
- soutache ... South Ayrshire
- South Banda Basin ... South Magnetic Pole
- South Manchurian Railway ... Southampton
- Southampton Island ... Southern colonial style
- Southern Colorado, University of ... Southern school
- southern script ... Souza, F. N.
- Souza, Francis Newton ... Soyuz TMA-7
- Soyuzkino ... space-division switching
- space-filling curve ... Spanish
- Spanish Armada ... sparkling archaic sun moth
- Sparkling Stone, The ... speaker
- speaker ... specialty resin
- specialty store ... spectrochemical analysis
- spectrogram ... Speirín, Sliabh
- Špejbl ... spermaceti
- spermaceti organ ... Sphenophyllales
- Sphenophyllum ... spider orchid
- spider plant ... spin-angular momentum
- spin-canted ferromagnetism ... Spinoza, Benedict de
- Spinozist, Der ... Spirit of Mediaeval Philosophy, The
- Spirit of Solitude: Conventions and Continuities in Late Romance, The ... Spizellomycetales
- SPL ... Spoleto Festival USA
- Spoleto, cathedral of ... sporozoan
- sporozoite ... spotted spurge
- Spotted Tail ... spring onion
- spring peeper ... spur
- spur ... square script
- Square the Circle ... SRBM
- src ... SS-N-2 Styx
- SS-N-3 Shaddock ... St. Hedwig’s Cathedral
- St. Helena Island ... St. Mary the Virgin, Aldermanbury, Church of
- St. Mary’s Cathedral ... stabile
- Stabilisation and Association Agreement ... Stafford, Matthew
- Stafford, Sir Edward William ... Stakeout
- Stakhanov ... stamping
- Stan Lee Media ... Standing Bear
- Standing Beauty Arranging Her Hair ... Stanley v. Georgia
- Stanley, 2nd Baron ... star atlas
- Star Band de Dakar ... Starbright
- Starbuck ... Stars Look Down, The
- Stars of the New Curfew ... State Council
- State Council ... State, Council of
- State, Council of ... Stations of the Cross
- statism ... Stax Records
- Stax/Volt Records ... Steel
- steel ... Steffens, Lincoln
- steganography ... stele
- stele ... Stenolaemata
- stenolaemate ... Stephen VIII (or IX)
- Stephen’s woodrat ... stereophonic sound system
- stereopsis ... Sterope
- Steropodon galmani ... steward
- steward ... stickball
- sticking ... Stillding
- Stille existenser ... Stipiturus malachurus
- stipple engraving ... stock option
- Stock Photographs ... Stokes mortar
- Stokes of Leyland, Donald Gresham Stokes, Baron ... Stone Guest, The
- Stone Knife, The ... Stony Brook
- stony coral ... Storer, Maria Longworth
- Storeria ... Story of Christ, The
- Story of Civilization, The ... Strache, Heinz-Christian
- Strachey, Christopher ... Strang, James Jesse
- Strang, Jesse James ... Strassendorf
- Strasser, Gregor ... Stratiotes aloides
- Stratiotikos Syndesmos ... Strawson, Sir Peter Frederick
- Stray Cats ... Streitberg, Wilhelm August
- Streitschriften ... striae
- striate area ... strings
- stringybark pine ... Stromboli
- Stromboli Island ... Strowger switch
- Strozzi key ... Struwwelpeter, Der
- Stry ... stubble mulch tillage
- Stubblefield, Clyde ... Study of Man, The
- Study of National Strengthening, Society for the ... Sturt’s desert pea
- Sturt, Charles ... SU(3) symmetry
- SU(5) symmetry ... subdivision
- Subdivisions du Paléolithique supérieur et leur signification, Les ... submarine-launched ballistic missile
- submaturity ... substitution-instance
- substitutional interpretation ... Suchem, Ludolph van
- Suchet, David ... Suddenly Susan
- Suddenly, Last Summer ... suffrage
- Suffragette ... Suidani, Daniel
- Suidas ... Sula, Kepulauan
- Sulabesi ... sulfinic acid
- sulfinyl compound ... Sullivan, John Lawrence
- Sullivan, Kathryn ... Sultanpur
- Sultanpur ... Summa theologiae
- Summa theologica ... Summons, The
- summulae ... Sun Yat-sen, Madame
- Sun Yixian ... sunflower
- sunflower oil ... Sunstein, Cass
- sunstone ... super circuit weight training
- Super Cockpit ... superheavy element
- superheavy machine gun ... superspecialty care
- superspeed train ... supraorbital torus
- supraradical mastectomy ... Surabaya
- surah ... surge
- surge ... Surrey
- Surrey Heath ... Susanna, The History of
- Susannah and the Elders ... Susu language
- Susumu beki haiku no michi ... Suweida, Es-
- Suwon ... Sverdlovsk
- Sverdrup Basin ... swallow-shrike
- swallow-tailed gull ... Swanton, John Reed
- SWANU ... Swedish Sturgeon, the
- Swedish turnip ... sweet vermouth
- sweet vernal grass ... Swim in a Pond in the Rain, A
- swimmer’s itch ... switch
- Switch ... Sydney, University of
- Syene ... Symbolic Logic
- Symbolic Logic ... symphony concertante
- Symphony in B Minor ... symposium
- Sympson, Christopher ... Synge, J. M.
- Synge, John Millington ... synthetic rubber
- Synthetic Scots ... system
- System and Process in International Politics ... Szabadka
- Szabó, Dezső ... Sʿadad-Dīn