19-letter words containing s, i, n, t, r
- southern hemisphere — the half of the earth between the South Pole and the equator.
- soviet central asia — the region of the former Soviet Union now occupied by Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan
- spanish west africa — a former overseas territory of Spain in NW Africa: divided in 1958 into the overseas provinces of Ifni and Spanish Sahara
- special partnership — limited partnership.
- specific resistance — resistivity (def 2).
- specific-resistance — the power or property of resistance.
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
- spider-hunting wasp — any solitary wasp of the superfamily Pompiloidea, having a slender elongated body: the fast-running female hunts spiders as a food store for her larvae
- spin quantum number — the quantum number that designates the total angular momentum associated with electron spin and has a value of ½ in units of h /2π.
- spirit of hartshorn — a colorless, pungent, suffocating, aqueous solution of about 28.5 percent ammonia gas: used chiefly as a detergent, for removing stains and extracting certain vegetable coloring agents, and in the manufacture of ammonium salts.
- splinterproof glass — glass that is designed not to form sharp splinters should it be shattered
- spotted wintergreen — an evergreen plant, Chimaphila maculata, of central North America, having leaves with mottled-white veins and white, fragrant flowers.
- spread oneself thin — to draw, stretch, or open out, especially over a flat surface, as something rolled or folded (often followed by out).
- st. augustine grass — a low, mat-forming grass, Stenotaphrum secundatum, of the southern U.S. and tropical America, that is cultivated as a lawn grass.
- st.-germain-en-laye — a city in N France, near Paris: royal château and forest; treaties 1570, 1632, 1679, 1919.
- stabilization print — a print made by the stabilization process.
- staff-student ratio — the ratio of teachers to pupils or students in a school, college, or university
- stakeholder pension — In Britain, a stakeholder pension is a flexible pension scheme with low charges. Both employees and the state contribute to the scheme, which is optional, and is in addition to the basic state pension.
- standing broad jump — a jump for distance from a standing position.
- standing martingale — martingale (def 1).
- stanford university — (education) A University in the city of Palo Alto, California, noted for work in computing, especially artificial intelligence. See SAIL.
- stanford-binet test — a revised version of the Binet-Simon scale, prepared at Stanford University for use in the U.S.
- stationary engineer — a person who runs or is licensed to run a stationary engine.
- stationers' company — a company or guild of the city of London composed of booksellers, printers, dealers in writing materials, etc., incorporated in 1557.
- stationery cupboard — a cupboard where things like paper, pens and paper clips are kept
- sternocleidomastoid — of, relating to, or involving the sternum, the clavicle, and the mastoid process.
- stick in one's craw — the crop of a bird or insect.
- store refurbishment — Store refurbishment happens when a store needs to be redecorated, modernized or the layout changed. The store will often be closed to customers during this time.
- straight and narrow — the way of virtuous or proper conduct: After his release from prison, he resolved to follow the straight and narrow.
- straightforwardness — going or directed straight ahead: a straightforward gaze.
- strain at the leash — to be impatient to have freedom from restraint
- straits settlements — a former British crown colony in SE Asia: included the settlements of Singapore, Penang, Malacca, and Labuan.
- strangulated hernia — a hernia, especially of the intestine, that swells and constricts the blood supply of the herniated part, resulting in obstruction and gangrene.
- strawberry geranium — a plant, Saxifraga stolonifera (or S. sarmentosa), of the saxifrage family, native to eastern Asia, that has rounded, variegated leaves and numerous threadlike stolons and is frequently cultivated as a houseplant.
- streaming potential — the potential produced in the walls of a porous membrane or a capillary tube by forcing a liquid through it.
- strict counterpoint — the application of the rules of counterpoint as an academic exercise
- strike a false note — to behave inappropriately
- stringed instrument — a musical instrument having strings as the medium of sound production, played with the fingers or with a plectrum or a bow: The guitar, the harp, and the violin are stringed instruments.
- strontium hydroxide — a white, slightly water-soluble powder, Sr(OH) 2 , or its crystalline octahydrate (strontium hydrate) used chiefly in the refining of beet sugar.
- structural engineer — A structural engineer is an engineer who works on large structures such as roads, bridges, and large buildings.
- subminiature camera — a very small, palm-sized still camera for taking photographs on 16-millimeter or similar film.
- subnuclear particle — any of the elementary particles, including those that do not exist in stable matter but appear as a result of high-energy collisions of other particles or nuclei.
- subsistence farming — farming whose products are intended to provide for the basic needs of the farmer, with little surplus for marketing.
- substitution cipher — a cipher that replaces letters of the plain text with another set of letters or symbols.
- sugar loaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
- superannuation fund — a fund used for paying pensions
- supernatural virtue — one of the three graces: faith, hope, or charity, infused into the human intellect and will by a special grace of God.
- suspension geometry — Suspension geometry is the geometric arrangement of the parts of a suspension system, and the value of the lengths and angles within it.
- suspensory ligament — any of several tissues that suspend certain organs or parts of the body, especially the transparent, delicate web of fibrous tissue that supports the crystalline lens.