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18-letter words containing s, t, a, g, i

  • nonaggression pact — an agreement between two nations not to attack each other, usually for a specified period of years
  • nonpartisan league — a political organization of farmers, founded in North Dakota in 1915, and extending to many states west of the Mississippi, with the aim of influencing agricultural legislation in state legislatures.
  • not a pretty sight — If you say that someone or something is not a pretty sight, you mean that it is not pleasant to look at.
  • off-street parking — spaces for cars located on private property rather than on a public street
  • offset lithography — offset (def 6).
  • on the danger list — critically ill in hospital
  • operating expenses — Operating expenses are expenses related to carrying out normal business activities.
  • operating software — software used in the operation of a computer system, typically by performing such tasks as memory allocation, job scheduling, and input/output control
  • operations manager — business director
  • organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
  • orthotungstic acid — an oxyacid acid of tungsten. Formula: H2WO4
  • oscillating engine — a steam engine having piston rods connected directly to the crankshaft and cylinders oscillating on trunnions.
  • osteogenic sarcoma — osteosarcoma
  • ox-tongue partisan — a shafted weapon having a long, wide, tapering blade.
  • paediatric nursing — the branch of nursing concerned with the care of children
  • paleoclimatologist — the branch of paleogeography dealing with the study of paleoclimates.
  • parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
  • passing modulation — a modulation of a temporary nature.
  • passing-out parade — a ceremonial parade of cadets who have completed their training
  • pedal steel guitar — an oblong, floor-mounted electrified guitar, usually having ten strings, fretted with a steel bar and producing a wailing sound that is modulated by use of a foot pedal.
  • phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
  • phase-shift keying — (communications)   (PSK) A digital modulation scheme that conveys data by changing the phase of a carrier wave. The data can either determine the absolute phase relative to the unmodulated carrier or reference signal ("coherent phase-shift keying", CPSK) or the change in phase ("differential phase-shift keying", DPSK). The number of different phases used determines the amount of data that can be transmitted in each cycle. Each cycle can be considered to constitute one "symbol", e.g. with two possible phases, each cycle carries one bit. The more phases that are used, the less tollerant to noise the transmissions becomes. Alternatives to PSK are amplitude-shift keying (ASK) and frequency-shift keying (FSK).
  • photochemical smog — air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, especially those in automobile exhaust.
  • pigmy hippopotamus — a related but smaller animal, Choeropsis liberiensis
  • plate-glass window — a window that has glass which has been formed by rolling
  • population figures — population totals; statistics relating to the size of populations
  • portuguese guinean — of or relating to Portuguese Guinea, a former name for Guinea-Bissau, or its inhabitants
  • positively charged — having a positive charge
  • pragmatic sanction — any one of various imperial decrees with the effect of fundamental law.
  • prestidigitization — /pres`t*-di"j*-ti:-zay"sh*n/ 1. A term coined by Daniel Klein <[email protected]> for the act of putting something into digital notation via sleight of hand. 2. Data entry through legerdemain.
  • procrustean string — (programming)   A fixed-length string. If a string value is too long for the allocated space, it is truncated to fit; and if it is shorter, the empty space is padded, usually with space characters. This is an allusion to Procrustes, a legendary robber of ancient Attica. He bound his victims to a bed, and if they were shorter than the bed, he stretched their limbs until they would fit; if their limbs were longer, he lopped them off.
  • proprietary rights — rights of ownership
  • psychopathological — the science or study of mental disorders.
  • ptomaine poisoning — (erroneously) food poisoning thought to be caused by ptomaine.
  • punishment beating — a form of corporal punishment carried out by a paramilitary organization on a member of another sectarian organization, usually in Northern Ireland
  • pygmy hippopotamus — a small hippopotamus, Choeropsis liberiensis, of forests and swamps in western Africa.
  • quantity surveying — the action or profession of a person who estimates the cost of the materials and labour necessary for a construction job
  • racial segregation — social policy: separation of races
  • radius of gyration — the distance from an axis at which the mass of a body may be assumed to be concentrated and at which the moment of inertia will be equal to the moment of inertia of the actual mass about the axis, equal to the square root of the quotient of the moment of inertia and the mass.
  • rain cats and dogs — water that is condensed from the aqueous vapor in the atmosphere and falls to earth in drops more than 1/50 inch (0.5 mm) in diameter. Compare drizzle (def 6).
  • range of stability — the angle to the perpendicular through which a vessel may be heeled without losing the ability to right itself.
  • rear its ugly head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
  • reduction strategy — (theory)   An algorithm for deciding which redex(es) to reduce next. Different strategies have different termination properties in the presence of recursive functions or values. See string reduction, normal order reduction, applicative order reduction, parallel reduction
  • regional enteritis — Crohn's disease.
  • registered charity — official aid organization
  • registered company — a company which has officially registered its business
  • registration plate — a plate mounted on the front and back of a motor vehicle bearing the registration number
  • regular tertiaries — of the third order, rank, stage, formation, etc.; third.
  • remanent magnetism — magnetization in minerals induced by a former magnetic field and persisting after the field changes.
  • reprocessing plant — a plant where materials are treated in order to make them reusable
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