15-letter words containing o, r, e, s, t, i
- social register — a directory or list of people prominent in the fashionable society of a given area
- social security — (usually initial capital letters) a program of old-age, unemployment, health, disability, and survivors insurance maintained by the U.S. federal government through compulsory payments by specific employer and employee groups.
- sociocentricity — socially oriented.
- socratic method — the use of questions, as employed by Socrates, to develop a latent idea, as in the mind of a pupil, or to elicit admissions, as from an opponent, tending to establish a proposition.
- sodium arsenite — a white or grayish-white, water-soluble, poisonous powder, NaAsO 2 , used chiefly in arsenical soaps for hides, as an insecticide, and as a weed-killer.
- sodium chlorate — a colorless, water-soluble solid, NaClO 3 , cool and salty to the taste, used chiefly in the manufacture of explosives and matches, as a textile mordant, and as an oxidizing and bleaching agent.
- sodium citrates — the sodium salts of citric acid (monosodium citrate, disodium citrate, trisodium citrate)
- sodium stearate — Sodium stearate is a salt of stearic acid used as a surfactant (= a substance that reduces the surface tension of a liquid and allows it to foam) in order to aid the solubility of hydrophobic substances in oral medicines.
- soldier's heart — cardiac neurosis.
- sole proprietor — only owner
- somatic therapy — any of a group of treatments presumed to act on biological factors leading to mental illness.
- somerset island — an island in the Arctic Ocean in Nunavut, Canada, NW of Baffin Island. 9594 sq. mi. (24,848 sq. km).
- sons of liberty — any of several patriotic societies, originally secret, that opposed the Stamp Act and thereafter supported moves for American independence.
- soul-destroying — Activities or situations that are soul-destroying make you depressed, because they are boring or because there is no hope of improvement.
- sound recordist — recordist.
- sounding rocket — a rocket equipped with instruments for making meteorological observations in the upper atmosphere.
- source material — original, authoritative, or basic materials utilized in research, as diaries or manuscripts.
- south yorkshire — a metropolitan county in N England. 603 sq. mi. (1561 sq. km).
- southern blight — a disease of peanuts, tomatoes, and other plants, caused by a fungus, Sclerotium rolfsii, affecting the roots and resulting in rapid wilting.
- southern gothic — a literary genre depicting life in the southern US and featuring grotesque themes and imagery
- southern lights — aurora australis.
- southern paiute — See under Paiute (def 2).
- spanish trefoil — alfalfa.
- spectrochemical — of, relating to, or utilizing the techniques of spectrochemistry.
- speed indicator — an instrument for counting the number of revolutions of a gasoline engine.
- spermatoblastic — relating to a spermatoblast
- spermatogenesis — the origin and development of spermatozoa.
- sphaerosiderite — a type of siderite
- spheroidization — the conversion of grains into spheroids
- spiral notebook — a notebook held together by a coil of wire passed through small holes punched at the back edge of the covers and individual pages
- spirits of wine — alcohol (def 1).
- spirochaetaemia — the presence of spirochaetes in the blood
- sporting chance — an even or fair opportunity for a favorable outcome in an enterprise, as winning in a game of chance or in any kind of contest: They gave the less experienced players a sporting chance by handicapping the experts.
- sports medicine — a field of medicine concerned with the functioning of the human body during physical activity and with the prevention and treatment of athletic injuries.
- st. christopher — Saint, died a.d. c250, Christian martyr.
- st. elmo's fire — St. Elmo's fire.
- st. ulmo's fire — St. Elmo's fire.
- stage direction — an instruction written into the script of a play, indicating stage actions, movements of performers, or production requirements.
- stalactite work — (in Islamic architecture) intricate decorative corbeling in the form of brackets, squinches, and portions of pointed vaults.
- stamford bridge — a village in N England, east of York: site of a battle (1066) in which King Harold of England defeated his brother Tostig and King Harald Hardrada of Norway, three weeks before the Battle of Hastings
- standing orders — Military. (formerly) a general order always in force in a command and establishing uniform procedures for it; standard operating procedure.
- star connection — a connection used in a polyphase electrical device or system of devices in which the windings each have one end connected to a common junction, the star point, and the other end to a separate terminal
- starfish flower — carrion flower (def 2).
- start something — to cause a disturbance or trouble
- starvation diet — insufficient food to stay alive
- station officer — a person who is in charge of a fire station
- stationary wave — standing wave.
- statutory crime — a wrong punishable under a statute, rather than at common law.
- steak au poivre — pepper steak (def 2).
- steam reforming — a process in which methane from natural gas is heated, with steam, usually with a catalyst, to produce a mixture of carbon monoxide and hydrogen used in organic synthesis and as a fuel