17-letter words containing a, s, l, p, i
- sleep deprivation — a condition in which you have not had enough sleep
- sleeping quarters — the rooms where people sleep in a large building or complex or on a boat etc
- sliding vane pump — A sliding vane pump is a pump in which the vanes (=flat parts) are the main sealing element between the suction and discharge areas.
- social enterprise — a business organization that works to benefit society as a whole
- social psychology — the psychological study of social behavior, especially of the reciprocal influence of the individual and the group with which the individual interacts.
- sodium-vapor lamp — an electric lamp in which sodium vapor is activated by current passing between two electrodes, producing a yellow, glareless light: used on streets and highways.
- 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.
- 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.
- 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
- 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.
- 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 analysis — the determination of the constitution or condition of bodies and substances by means of the spectra they produce.
- spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
- spinal anesthesia — interruption of conduction of nerve impulses by the injection of an anesthetic into the spinal canal that reduces sensitivity to pain without loss of consciousness.
- spinal meningitis — infection of spinal membrane
- spiral bevel gear — a bevel gear having curved teeth tending to converge on the axis of rotation.
- spiritual bouquet — the spiritual presentation of a good work to another person.
- spiritual healing — faith healing
- split keyboarding — the act or practice of editing data from one terminal on another terminal
- split personality — multiple personality.
- spoonbill catfish — flathead catfish.
- sports facilities — places and things for doing sports
- spot-illustration — a rounded mark or stain made by foreign matter, as mud, blood, paint, ink, etc.; a blot or speck.
- spruce gall aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
- stereolithography — a process for creating three-dimensional objects using a computer-controlled laser to build up the required structure, layer by layer, from a liquid photopolymer that solidifies.
- stratified sample — a sample that is not drawn at random from the whole population, but separately from a number of disjoint strata of the population in order to ensure a more representative sample
- strike-slip fault — a geological fault on which the movement is along the strike of the fault
- stymphalian birds — a flock of predacious birds of Arcadia that were driven away and killed by Hercules as one of his labors.
- super-nationalism — an extreme or fanatical loyalty or devotion to a nation.
- super-terrestrial — pertaining to, consisting of, or representing the earth as distinct from other planets.
- superalimentation — nourishment; nutrition.
- supercolumniation — the placing of one order of columns above another.
- supra-nationalism — outside or beyond the authority of one national government, as a project or policy that is planned and controlled by a group of nations.
- supralapsarianism — the doctrine that the decree of election preceded human creation and the Fall (opposed to infralapsarianism).
- tactile corpuscle — an oval sense organ made of flattened cells and encapsulated nerve endings, occurring in hairless skin, as the tips of the fingers and toes, and functioning as a touch receptor.
- teaching hospital — a hospital associated with a medical college and offering clinical and other facilities to those in various areas of medical study, as students, interns, and residents.
- technical support — an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
- telescopic damper — a device with telescopic parts that reduce vibration in a motor vehicle
- temple of artemis — the temple at Ephesus dedicated to Artemis.
- tertiary syphilis — the third stage of syphilis, characterized by involvement of the internal organs, especially the brain, spinal cord, heart, and liver.
- the pennsylvanian — the Pennsylvanian period or rock system, equivalent to the Upper Carboniferous of Europe