17-letter words starting with s
- south farmingdale — a town on central Long Island, in SE New York.
- south frigid zone — the part of the earth's surface between the Antarctic Circle and the South Pole.
- south lanarkshire — a council area of S Scotland, comprising the S part of the historical county of Lanarkshire: included within Strathclyde Region from 1975 to 1996: has uplands in the S and part of the Glasgow conurbation in the N: mainly agricultural. Administrative centre: Hamilton. Pop: 303 010 (2003 est). Area: 1771 sq km (684 sq miles)
- south sea company — a British joint stock company that traded in South America in the 18th century. The South Sea Company took over the national debt in return for a monopoly of trade with the South Seas, causing feverish speculation in their stocks, and a financial crash in 1720 (the South Sea Bubble)
- south sea islands — the islands in the S Pacific that constitute Oceania
- south west africa — a former name of Namibia.
- south-west africa — a former name of Namibia.
- southampton water — an inlet of the English Channel in S England
- southeast by east — a point on the compass 11°15′ east of southeast. Abbreviation: SEbE.
- southern rhodesia — a former name (until 1964) of Zimbabwe (def 1).
- southern sporades — a group of Greek islands in the Aegean, including the Dodecanese, lying off the SW coast of Turkey
- southern studfish — See under studfish.
- southern triangle — the constellation Triangulum Australe.
- southwest by west — a point on the compass 11°15′ west of southwest. Abbreviation: SWbW.
- spaghetti western — a low-budget western movie shot in Italy or Spain, usually with Italian actors and an American star.
- spaghettification — the theoretical stretching of an object as it encounters extreme differences in gravitational forces, especially those associated with a black hole.
- span of attention — attention span.
- spanish civil war — the civil war in Spain 1936–39.
- spanish influenza — the pandemic respiratory infection that spread throughout the world during 1917–18.
- sparc xterminal 1 — (computer) Sun's lowest cost networked Unix desktop, it is board-upgradeable to a SPARC 4. It comes with a choice of frame buffers: 8-bit colour, Turbo GX, or Turbo GX plus. This product was expected to replace the SPARCclassic X. UK availability was planned for March 1995.
- spark photography — photography of fast-moving objects, as bullets, by the light of an electric spark.
- spark transmitter — a transmitting set that generates electromagnetic waves by the oscillatory discharge from a capacitor through an inductor and a spark gap.
- spastic paralysis — a condition in which the muscles affected are marked by tonic spasm and increased tendon reflexes.
- spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
- spatial summation — the act or process of summing.
- speak one's piece — a separate or limited portion or quantity of something: a piece of land; a piece of chocolate.
- special committee — a committee, as of a legislative body, that is formed to examine and report on a specific bill or issue.
- special constable — a person recruited for temporary or occasional police duties, esp in time of emergency
- special education — education that is modified or particularized for those with singular needs, as disabled or maladjusted people, slow learners, or gifted children.
- special messenger — a postal worker who delivers mail by special delivery
- special privilege — exclusive advantage
- special schooling — the system of educating children with special needs in schools designed to meet their needs
- specific humidity — the ratio of the mass of water vapor in air to the total mass of the mixture of air and water vapor.
- spectroheliograph — an apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light.
- spectrohelioscope — a spectroheliograph.
- spectromicroscope — a microscope with an attached spectroscope.
- spectrophotometer — an instrument for making photometric comparisons between parts of spectra.
- spectrophotometry — an instrument for making photometric comparisons between parts of spectra.
- spectroradiometer — an instrument for determining the radiant-energy distribution in a spectrum, combining the functions of a spectroscope with those of a radiometer.
- spectroscopically — an optical device for producing and observing a spectrum of light or radiation from any source, consisting essentially of a slit through which the radiation passes, a collimating lens, and an Amici prism.
- spectrum analyser — an instrument that splits an input waveform into its frequency components, which are then displayed
- spectrum analysis — the determination of the constitution or condition of bodies and substances by means of the spectra they produce.
- spectrum disorder — any of a group of disorders each having symptoms that occur on a continuum and certain features that are shared along its spectrum but that manifest in markedly different forms and degrees. See also autism spectrum disorder.
- speech correction — the reeducation of speech habits that deviate from accepted speech standards.
- speech difficulty — a problem encountered in speaking
- speech impediment — speaking disorder
- speed restriction — the maximum speed allowed for road vehicles, trains, or other vehicles
- spenserian sonnet — a sonnet employing the rhyme scheme abab, bcbc, cdcd, ee.
- spenserian stanza — the stanza used by Spenser in his Faerie Queene and employed since by other poets, consisting of eight iambic pentameter lines and a final Alexandrine, with a rhyme scheme of ababbcbcc.
- sperrin mountains — a mountain range in NW Northern Ireland