17-letter words containing o, n, h
- slap on the wrist — a sharp blow or smack, especially with the open hand or with something flat.
- smarandache logic — neutrosophic logic
- smoothing circuit — a circuit used to remove ripple from the output of a direct current power supply
- snatch one's time — to leave a job, taking whatever pay is due
- socratic elenchus — the drawing out of the consequences of a position in order to show them to be contrary to some accepted position
- 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
- southampton water — an inlet of the English Channel in S England
- 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.
- spaghettification — the theoretical stretching of an object as it encounters extreme differences in gravitational forces, especially those associated with a black hole.
- special schooling — the system of educating children with special needs in schools designed to meet their needs
- speech correction — the reeducation of speech habits that deviate from accepted speech standards.
- spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
- spin one's wheels — a circular frame or disk arranged to revolve on an axis, as on or in vehicles or machinery.
- spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
- spit in the ocean — a variety of poker in which four cards are dealt face down to each player and one card, forming the fifth for all hands, is dealt face up in the center of the table, the exposed card and others of its denomination being wild cards.
- spondylolisthesis — the forward displacement of a vertebra.
- spongy parenchyma — the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.
- spoonbill catfish — flathead catfish.
- squash vine borer — the larva of a clearwing moth, Melittia satyriniformis, that bores into the stems of squash and related plants.
- stag's-horn coral — staghorn coral.
- stage-door johnny — a man who often goes to a theater or waits at a stage door to court an actress.
- 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.
- steamship company — a company which has a fleet of steamships
- stenothermophilic — growing best within a narrow temperature range.
- stretch limousine — a limousine that has been lengthened to provide extra seating accommodation and more legroom
- stretching course — (in brickwork) a course of stretchers.
- sulfonyl chloride — a colorless liquid, SO 2 Cl 2 , having a very pungent odor and corrosive to the skin and mucous membranes: used as a chlorinating or sulfonating agent.
- sunbury-on-thames — a town in SE England, in N Surrey. Pop: 27 415 (2001)
- support mechanism — any formal system or method of providing support or assistance
- surprise symphony — the Symphony No. 94 in G major (1791) by Franz Josef Haydn.
- swaddling clothes — cloth for wrapping around a baby
- swainson's thrush — a North American thrush, Catharus ustulatus, having olive upper parts and wintering south to Argentina.
- switching station — A switching station is equipment used to tie together two or more electric circuits through switches.
- sydenham's chorea — a form of chorea affecting children, often associated with rheumatic fever
- synchronistically — coincidence in time; contemporaneousness; simultaneousness.
- synchronous motor — a synchronous machine that acts as a motor.
- synchronous orbit — an orbit in which the orbital period of a satellite is identical to the spin period of the central body
- synchronous speed — the speed at which an alternating-current machine must operate to generate electromotive force at a given frequency.
- synthetic biology — the application of computer science techniques to create artificial biological systems
- synthetic phonics — a method of teaching people to read by training them to pronounce sounds associated with particular letters in isolation and then blend them together
- take sth on trust — If you take something on trust after having heard or read it, you believe it completely without checking it.
- teacher education — training to become a teacher, usually at an institution of higher education
- 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.