17-letter words containing a, l, s, i
- 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.
- square millimeter — a unit of area measurement equal to a square measuring one millimeter on each side. 2 , sq. mm. Abbreviation: mm.
- square the circle — a rectangle having all four sides of equal length.
- sri international — (company) One of the world's largest contract research firms. Founded in 1946 in conjuction with Stanford University as the Stanford Research Institute, they later became fully independent and were incorporated as a non-profit organisation under U.S. and California laws. SRI does research and development in many areas, independently and for hire. They produce and sell reports on the independent research. Address: Menlo Park, California, USA; Cambridge, UK.
- stannous chloride — a white, crystalline, water-soluble solid, SnCl 2 ⋅2H 2 O, used chiefly as a reducing and tinning agent, and as a mordant in dyeing with cochineal.
- stannous fluoride — a white, crystalline powder, SnF 2 , slightly soluble in water: used as a source of fluorine in the prevention of dental caries, especially as a toothpaste additive.
- state legislature — laws of a country
- statue of liberty — a large copper statue, on Liberty Island, in New York harbor, depicting a woman holding a burning torch: designed by F. A. Bartholdi and presented to the U.S. by France; unveiled 1886.
- statutory holiday — a public holiday; a holiday all workers are entitled to
- stellar evolution — the sequence of changes that occurs in a star as it ages
- 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.
- sting in the tail — an unexpected and unpleasant ending
- stolen generation — Aboriginal children removed from their families and placed in institutions or fostered by White families between 1910 and 1970
- straight arm lift — a wrestling attack, in which a wrestler twists the opponent's arm against the joint and lifts him or her by it, often using the shoulder as a fulcrum
- strange interlude — a play (1928) by Eugene O'Neill.
- 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
- stress relaxation — Stress relaxation is a gradual reduction in stress with time at constant strain.
- 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.
- subclavian artery — either of a pair of arteries, one on each side of the body, that carry the main supply of blood to the arms.
- subclavian groove — either of two grooves in the first rib, one for the main artery (subclavian artery) and the other for the main vein (subclavian vein) of the arm
- subsidiary ledger — (in accounting) a ledger containing a group of detailed and related accounts the total of which is summarized in the control account.
- subtractive color — cyan, yellow, or magenta, as used in the subtractive process of color photography.
- 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).
- surgical dressing — a dressing made of cotton, used for incisions made during surgery
- surrender to bail — to present oneself at court at the appointed time after having been on bail