| Spica | Spinel | Speech recognition |
| Spanish ArmadaThe Spanish Armada ( Old Spanish: La felicissima armada "most fortunate fleet"; modernly la Armada Invencible "the Invincible Fleet") was a fleet which the Habsburg King Philip II of Spain used as part of an attempt to invade England in 1588. It was the l | Sprite (disambiguation)The term Sprite has several meanings. A sprite is a class of preternatural legendary creatures. Beings commonly associated with sprites include elves, fairies, pixies, and spirits. The word "sprite" is often used synonymously with the similarly ambiguous | Speed metalSpeed metal is a genre of heavy metal that is often mistaken for thrash metal but tends to be more melodic and less punk-oriented. The seminal speed-metal band is considered to be Judas Priest. Their album Painkiller from 1990 is viewed by some as the qui |
| Sprint (cycling)The sprint is a track cycling event involving a one-on-one match race between opponents who, unlike the individual pursuit, start next to each other. The event is sometimes called the 1000 metre sprint (reflecting the distance to be covered), but only the | SpartaThis page is about the ancient and modern Greek city of Sparta. For other uses see: Sparta (disambiguation Sparta was an ancient city in Greece, the capital of Laconia and the most powerful state of the Peloponnesus. The city lay at the northern end of th | Sport governing bodyA sport governing body comes in several forms. International federations these take care of one sport (or a group of sports, such as skiing). They create a common set of rules and organise international competitions. Promotion of the sport is also a task |
| SPARCSPARC S calable P rocessor ARC hitecture) is a RISC microprocessor architecture originally designed in 1985 by Sun Microsystems. SPARC is a registered trademark of SPARC International, Inc. an organisation established in 1989 to promote the SPARC and to p | Spinal cordThe spinal cord is a part of the vertebrate nervous system that is enclosed in and protected by the vertebral column (it passes through the spinal canal). It consists of nerve cells. The cord conveys the 31 spinal nerve pairs of the peripheral nervous sys | Spectrum of a ringAlgebra Abstract algebra Ring theory Algebraic geometry In abstract algebra and algebraic geometry, the spectrum of a commutative ring R denoted by Spec R , is defined to be the set of all prime ideals of R''. It is commonly augmented with a topology, the |
| Spacecraft | Spider | Space Shuttle program |
| Spiro Agnew | Spacesuit | Spoiler effect |
| Speed skating at the 2002 Winter Olympics | Speech | Spin (physics) |
| Specific impulse | Space technology | Sprague-Grundy theorem |
| Spatial application | Specification | Specific detectivity |
| Speckle pattern | Spectral width | Speed of service |
| Spill-forward feature | Spread spectrum | Spy film |
| Spleen | Special Olympics | Speech synthesis |
| Spider-Man and His Amazing Friends | Spamdexing | Speed trap |
| Speech act | Speech organ | Spencer Tracy |
| Space Cadet | Spiritual possession | Speaker of the United States House of Representatives |
| Spoon | Spelljammer | Sponge |
| Spotted bass | Sport utility vehicle | Speech therapy |
| Sparidae | Spellevator | Space transport |
| Spoken Finnish | Spanking | Space station |
| Spice Islands | Spore | Sports car racing |
| Spectral masking | Spread betting | Special effect |
| Spanish colonization of the Americas | Spanish hip hop | Spy satellite |
| Splice | Spock | Spectroscopic binary |
| Spiraeoideae | Spanish euro coins | Speech signal processing |
| Spine | Specie Circular | Spoils system |
| Special Air Service | Springfield, Illinois | Springfield |
| Sport fishing | Sport in the Netherlands | Speaker |
| Spanish submarine G-7 | Space Jockey | Spintronics |
| Spiral | Spiderwort | Spurge |
| Speex | Springtail | Speculation |
| Spontaneous human combustion | Spin-off | Sparrow |
| Sporangium | Spicule | Spiritual world |
| Sphynx (cat) | Sparks | Springfield Elementary School |
| Spinning wheel | Springfield Ozark Mountain Ducks | Spin (public relations) |
| Spikemoss | Spot (Star Trek) | Spot |
