21-letter words containing r, a, t, i, o, e
- south pacific current — an ocean current that flows E in the South Pacific Ocean parallel to the Antarctic Circumpolar Current.
- sovereign wealth fund — an investment fund created using the financial assets of a national government
- space shuttle orbiter — orbiter (def 1).
- spark ignition engine — A spark ignition engine is an engine running on the Otto cycle.
- special correspondent — a journalist who covers stories firsthand from a war zone
- special court-martial — a court-martial established to try violations of military law less serious than those tried by a general court-martial but more serious than those tried by a summary court-martial.
- spherical coordinates — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
- spin angular momentum — to make (yarn) by drawing out, twisting, and winding fibers: Pioneer women spun yarn on spinning wheels.
- stabilization-process — the act or process of stabilizing or the state of being stabilized.
- staffordshire terrier — former name of American Staffordshire terrier.
- stare one in the face — to be glaringly obvious or imminent
- stations of the cross — a series of 14 crosses, often accompanied by 14 pictures or carvings, arranged in order around the walls of a church, to commemorate 14 supposed stages in Christ's journey to Calvary
- statutory declaration — a declaration made under statutory authority before a justice of the peace or commissioner for oaths which may in certain cases be substituted for a statement on oath
- stick in one's throat — to be difficult, or against one's conscience, for one to accept, utter, or believe
- stock list department — (in an American stock exchange) the department dealing with monitoring compliance with its listing requirements and rules
- stop loss reinsurance — Stop loss reinsurance is a form of reinsurance under which the reinsurer pays the cedant's losses in any year over a particular percentage of the earned premium.
- strachey, christopher — Christopher Strachey
- strategic air command — a U.S. Air Force command charged with intercontinental air strikes, especially nuclear attacks.
- student participation — the extent to which students participate or involve themselves in a class, course, etc
- subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
- substitution reaction — the replacement of an atom or group of atoms in a compound by another atom or group.
- suction and curettage — a technique involving extraction of the fetus through a suction tube, used to perform abortions during the early stages of pregnancy.
- sun protection factor — SPF.
- supergranulation cell — one of a number of large convection cells in the photosphere and chromosphere of the sun, each having a diameter of 10,000–20,000 miles (16,000–32,000 km) and lasting longer than a day.
- surface acoustic wave — an acoustic wave generated on the surface of a piezoelectric substrate: used as a filter in electronic circuits
- surface friction drag — the part of the drag on a body moving through a fluid that is dependent on the nature of the surface of the body
- surface of projection — the surface upon which an image or a set of points is projected.
- surface of revolution — a surface formed by revolving a plane curve about a given line.
- sympathetic vibration — a vibration induced by resonance.
- systeme international — Système International d'Unités
- take one's finger out — stop delaying or procrastinating
- take sb at their word — If you take someone at their word, you believe what they say, when they did not really mean it or when they meant something slightly different.
- take sb/sth seriously — If you take someone or something seriously, you believe that they are important and deserve attention.
- take someone prisoner — to capture and hold someone as a prisoner, esp as a prisoner of war
- tape operating system — (operating system) (TOS) An IBM operating system for System 360, used in the early days around 1965 to support the IBM 360 model 30 et al. TOS was a predecessor to IBM's Disk Operating System. TOS died out really early as disks such as the 2311 and 2314 became common with the IBM 360 whereas thet had been a real luxury on the IBM 7090.
- tartarian honeysuckle — an Asian honeysuckle, Lonicera tatarica, having fragrant, white to pink flowers.
- teacher certification — official qualifications for educators
- teleological argument — the argument purporting to prove the existence of God from empirical facts, the premise being that the universe shows evidence of order and hence design
- temperature inversion — inversion (def 12).
- tenure track position — a position or office that carries with it the opportunity to eventually obtain tenure or the right to permanent employment
- terrestrial radiation — long-wave electromagnetic radiation in the form of heat emitted from the earth's surface and atmosphere.
- terrestrial telescope — a refracting telescope having inverting lenses or an eyepiece that presents an erect image.
- tetrabromofluorescein — eosin (def 1).
- the acting profession — actors considered as a group
- the barber of seville — Italian Il barbiere di Siviglia. a comic opera (1816) by Gioacchino Rossini based on a comedy (1775) by Beaumarchais.
- the battle of britain — from August to October 1940, the prolonged bombing of S England by the German Luftwaffe and the successful resistance by the RAF Fighter Command, which put an end to the German plan of invading Britain
- the birth of a nation — an American film (1915), directed by D. W. Griffith.
- the central provinces — the Canadian provinces of Ontario and Quebec
- the joker in the pack — If you describe someone or something as the joker in the pack, you mean that they are different from the other people or things in their group, and can be unpredictable.
- the moral high ground — If you say that someone has taken the moral high ground, you mean that they consider that their policies and actions are morally superior to the policies and actions of their rivals.