19-letter words containing s, i, r, o
- solid of revolution — a three-dimensional figure formed by revolving a plane area about a given axis.
- someone's writ runs — someone has power or authority of a specified kind or scope
- south african dutch — the Boers.
- south san francisco — a city in central California.
- 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
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- sphere of influence — any area in which one nation wields dominant power over another or others.
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
- 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).
- 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.
- 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
- steamroller tactics — repressive tactics
- 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.
- stochastic variable — a random variable.
- 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.
- strait of gibraltar — a narrow strait between the S tip of Spain and the NW tip of Africa, linking the Mediterranean with the Atlantic
- 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
- strike off the roll — to expel from membership
- 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.
- substitution cipher — a cipher that replaces letters of the plain text with another set of letters or symbols.
- subtractive process — a process of color photography in which the colors are formed by combination of cyan, yellow, and magenta lights.
- succession of crops — the continuous cultivation of a crop throughout a season by successive plantings or by the use of varieties with different rates of growth.
- 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
- superiority complex — an exaggerated feeling of one's own superiority.
- supreme de volaille — suprême (def 2).
- 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.
- swimming instructor — sb who teaches people to swim
- symptomatic anthrax — blackleg.
- synchronous machine — an alternating-current machine in which the average speed of normal operation is exactly proportional to the frequency of the system to which it is connected.
- taming of the shrew — a comedy (1594?) by Shakespeare.
- tear one's hair out — the act of tearing.
- telescopic umbrella — an umbrella having parts that telescope