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21-letter words containing s, o, n, g, a

  • portuguese man-of-war — any of several large, oceanic hydrozoans of the genus Physalia, having a large, bladderlike structure with a saillike crest by which they are buoyed up and from which dangle tentacles with stinging cells.
  • premium savings bonds — (in Britain) bonds issued by the Treasury since 1956 for purchase by the public. No interest is paid but there is a monthly draw for cash prizes of various sums
  • profit-sharing scheme — a scheme employing profit-sharing; a system in which a portion of the net profit of a business is distributed to its employees, usually in proportion to their wages or their length of service
  • progressive education — any of various reformist educational philosophies and methodologies since the late 1800s, applied especially to elementary schools, that reject the rote recitation and strict discipline of traditional, single-classroom teaching, favoring instead more stimulation of the individual pupil as well as group discussion, more informality in the classroom, a broader curriculum, and use of laboratories, gymnasiums, kitchens, etc., in the school.
  • psychomotor agitation — agitation (def 3).
  • psychomotor-agitation — the act or process of agitating; state of being agitated: She left in great agitation.
  • queen's-pawn openings — a class of chess openings in which the pawn in front of the queen is advanced two squares on the first move.
  • radius of convergence — a positive number so related to a given power series that the power series converges for every number whose absolute value is less than this particular number.
  • range of significance — the set of subjects for which a given predicate is intelligible
  • rattle someone's cage — to upset or anger someone
  • rayleigh distribution — (mathematics)   A curve that yields a good approximation to the actual labour curves on software projects.
  • reading comprehension — a text that students use to help them improve their reading skills, by reading it and answering questions relating to the text. Sometimes used as a test or examination of reading skills. A reading comprehension can be in the student's own or another language
  • real operating system — (operating system, abuse)   The sort the speaker is used to. People from the BSDophilic academic community are likely to issue comments like "System V? Why don't you use a *real* operating system?", people from the commercial/industrial Unix sector are known to complain "BSD? Why don't you use a *real* operating system?", and people from IBM object "Unix? Why don't you use a *real* operating system?" See holy wars, religious issues, proprietary, Get a real computer!.
  • reconnaissance flight — a flight made by an aircraft in order to obtain military information about a particular place
  • registration document — a document giving identification details of a motor vehicle, including its manufacturer, date of registration, engine and chassis numbers, and owner's name
  • revillagigedo islands — an uninhabited island group belonging to Mexico, in the Pacific Ocean, SSW of the Baja California peninsula: Socorro is the largest island. 320 sq. mi. (830 sq. km).
  • ring-around-the-rosey — a children's game in which the players sing while going around in a circle and squat when the lyrics “all fall down” are sung.
  • rolling in the aisles — (of an audience) overcome with laughter
  • rutherford scattering — the scattering of an alpha particle through a large angle with respect to the original direction of motion of the particle, caused by an atom (Rutherford atom) with most of the mass and all of the positive electric charge concentrated at a center or nucleus.
  • safe in the knowledge — If you do something safe in the knowledge that something else is the case, you do the first thing confidently because you are sure of the second thing.
  • salam-weinberg theory — the electroweak theory.
  • sampling distribution — the distribution of a statistic based on all possible random samples that can be drawn from a given population.
  • san gabriel mountains — a mountain range in S California, N of Los Angeles. Highest peak, San Antonio Peak, 10,080 feet (3072 meters).
  • san gorgonio mountain — a mountain in S California: highest peak in the San Bernardino Mountains. 11,502 feet (3506 meters).
  • santo tome de guayana — a city in NE Venezuela, on the Orinoco River.
  • satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
  • saving your reverence — a form of apology for using an obscene or taboo expression
  • schlieren photography — a type of photography which records schlieren
  • seating accommodation — the provision of seats for people in a room, building, etc
  • serbia and montenegro — a former country in SE Europe, consisting of the republics of Serbia and Montenegro; replaced the Federal Republic of Yugoslavia in 2003, and dissolved in 2006 following Montenegro’s decision to secede
  • signal-to-noise ratio — the ratio of one parameter, such as power of a wanted signal to the same parameter of the noise at a specified point in an electronic circuit, etc
  • simple actor language — (language)   (SAL) A minimal actor language, used for teaching in:
  • single spanish burton — a tackle having a runner as well as the fall supporting the load, giving a mechanical advantage of three, neglecting friction.
  • siren call/siren song — A siren call or siren song is the appeal that something has although it is harmful or dangerous.
  • snap one's fingers at — any of the terminal members of the hand, especially one other than the thumb.
  • social anthropologist — an anthropologist who deals with cultural and social phenomena such as kinship systems or beliefs, esp of nonliterate peoples
  • sovereign wealth fund — an investment fund created using the financial assets of a national government
  • spark ignition engine — A spark ignition engine is an engine running on the Otto cycle.
  • spin angular momentum — to make (yarn) by drawing out, twisting, and winding fibers: Pioneer women spun yarn on spinning wheels.
  • strategic air command — a U.S. Air Force command charged with intercontinental air strikes, especially nuclear attacks.
  • suction and curettage — a technique involving extraction of the fetus through a suction tube, used to perform abortions during the early stages of pregnancy.
  • 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 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
  • take one's finger out — stop delaying or procrastinating
  • 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.
  • television evangelist — a Christian minister who devotes time to preaching on television
  • the acting profession — actors considered as a group
  • the shipping forecast — a radio broadcast made by the BBC of weather reports and forecasts for the seas around the British Isles
  • to be arrayed against — to be opposed to
  • to change the subject — When someone involved in a conversation changes the subject, they start talking about something else, often because the previous subject was embarrassing.
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