17-letter words containing h, o, i, s
- sixth commandment — “Thou shalt not kill”: sixth of the Ten Commandments.
- sixty-fourth note — a note having one sixty-fourth of the time value of a whole note; hemidemisemiquaver.
- sixty-fourth rest — a rest equal in time value to a sixty-fourth note.
- skate on thin ice — to place oneself in a dangerous or delicate situation
- skin of our teeth — a play (1942) by Thornton Wilder.
- 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
- social psychology — the psychological study of social behavior, especially of the reciprocal influence of the individual and the group with which the individual interacts.
- socratic elenchus — the drawing out of the consequences of a position in order to show them to be contrary to some accepted position
- sodium bichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- sodium dichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- 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 islands — the islands in the S Pacific that constitute Oceania
- south west africa — a former name of Namibia.
- south-west africa — a former name of Namibia.
- southern rhodesia — a former name (until 1964) of Zimbabwe (def 1).
- 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
- 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.
- spectrohelioscope — a spectroheliograph.
- 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.
- 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.
- 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.
- state the obvious — point out sth already evident
- statutory holiday — a public holiday; a holiday all workers are entitled to
- steamship company — a company which has a fleet of steamships
- stenothermophilic — growing best within a narrow temperature range.
- 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.
- stick to the ribs — to pierce or puncture with something pointed, as a pin, dagger, or spear; stab: to stick one's finger with a needle.
- stochastic matrix — a square matrix with positive entries totaling 1 in each row.
- 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.
- 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.