17-letter words containing s, o, n, g, r, a
- inverse cotangent — arc cotangent.
- inversion casting — casting from an electric furnace inverted over the mold.
- irrigation system — a system of supplying (land) with water by means of artificial canals, ditches, etc, esp to promote the growth of food crops
- isherwood framing — a system for framing steel vessels in which light, closely spaced, longitudinal frames are connected by heavy, widely spaced transverse frames with deep webs.
- judgment of paris — the decision by Paris to award Aphrodite the golden apple of discord competed for by Aphrodite, Athena, and Hera.
- king george's war — a war (1744–48) waged by England and its colonies against France, constituting the North American phase of the War of the Austrian Succession.
- lagrange's method — a procedure for finding maximum and minimum values of a function of several variables when the variables are restricted by additional conditions.
- langmuir isotherm — A Langmuir isotherm is a classical relationship between the concentrations of a solid and a fluid, used to describe a state of no change in the sorption process.
- legal proceedings — court case
- line of scrimmage — an imaginary line parallel to the goal lines that passes from one sideline to the other through the point of the football closest to the goal line of each team.
- louisiana tanager — western tanager.
- lyon king of arms — the chief herald of Scotland
- macdonnell ranges — a mountain system of central Australia, in S central Northern Territory, extending about 160 km (100 miles) east and west of Alice Springs. Highest peak: Mount Zeil, 1531 m (5024 ft)
- macro-linguistics — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
- magnetic roasting — roasting of a nonmagnetic ore to render it magnetic so that it can be separated from gangue by means of a magnetic field.
- magnetoresistance — a change in the electrical resistance of a material upon exposure to a magnetic field.
- management course — a course provided by an educational establishment such as a university, which teaches skills concerning the management of a company, business, etc
- misorganization's — the act or process of organizing.
- montagu's harrier — a brownish European bird of prey, Circus pygargus, with long narrow wings and a long tail: family Accipitridae (hawks, harriers, etc)
- mundane astrology — the astrology of worldly events, in contrast to the astrology of the individual: used especially in interpretations and forecasts involving politics, the stock market, weather, and disasters.
- nitrogen narcosis — a semistupor, lightheadedness, or euphoria experienced by deep-sea divers when nitrogen from air enters the blood at higher than atmospheric pressure.
- nondiscriminating — differentiating; analytical.
- northeast passage — a ship route along the N coast of Europe and Asia, between the North Sea and the Pacific.
- northwest passage — a ship route along the Arctic coast of Canada and Alaska, joining the Atlantic and Pacific oceans.
- old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
- on a razor's edge — in an acute dilemma
- on speaking terms — the act, utterance, or discourse of a person who speaks.
- on-street parking — parking (of a car, vehicle, etc) that is or is allowed to be done on a street
- opening arguments — the statements or arguments provided by lawyers at the beginning of a trial
- orange free state — a province in central Republic of South Africa: a Boer republic 1854–1900; a British colony (Orange River Colony, ) 1900–10. 49,647 sq. mi. (128,586 sq. km). Capital: Bloemfontein.
- organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.
- organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
- organic psychosis — a severe mental illness produced by damage to the brain, as a result of poisoning, alcoholism, disease, etc
- organophosphorous — Misspelling of organophosphorus.
- osculating circle — circle of curvature.
- otolaryngologists — Plural form of otolaryngologist.
- oversquare engine — An oversquare engine is an engine which has a cylinder bore that is larger than its stroke.
- passenger station — a station used by passengers
- performance drugs — the drugs that are taken illegally by athletes to enhance their sporting performance
- persona non grata — a person who is not welcome: He has become persona non grata in our club since his angry outburst.
- personnel manager — head of Human Resources department
- pillion passenger — a person who travels in a seat or place behind the rider of a motorcycle, scooter, horse, etc
- poison-arrow frog — a small, bright-colored terrestrial frog of the family Dendrobatidae, of Central and South American rain forests, that secretes a virulent poison from its skin, once used on the tips of Indian hunting arrows.
- poor man's orange — a grapefruit
- portuguese guinea — former name of Guinea-Bissau.
- postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.
- pre-investigation — the act or process of investigating or the condition of being investigated.
- precision casting — investment casting.
- program statement — a single instruction in a computer program
- prolonged-release — A prolonged-release drug delivers a dose of a medication over an extended period of time.