18-letter words containing a, n, g, i, o
- noninterchangeable — That cannot be interchanged with another.
- 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.
- nonpharmacological — Not pharmacological.
- north polar region — the region of land and water surrounding the North Pole.
- norwegian elkhound — one of a breed of dogs having a short, compact body, short, pointed ears, and a thick, gray coat, raised originally in Norway for hunting elk and other game.
- 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.
- now you're talking — at last you're saying something agreeable
- oath of allegiance — pledge to one's nation
- obedience training — the training of an animal, especially a dog, to obey certain commands.
- occupational group — An occupational group is a category used by insurance companies to classify jobs according to how hazardous they are.
- of your own making — If you say that something such as a problem you have is of your own making, you mean you have caused or created it yourself.
- off-street parking — spaces for cars located on private property rather than on a public street
- office of readings — the first of the canonical hours; matins
- on delicate ground — in a situation requiring tact
- 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
- optical brightener — an additive that dyes and brightens fabric or paper
- order of magnitude — You can use order of magnitude when you are giving an approximate idea of the amount or importance of something.
- organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
- organization chart — a diagrammatic representation showing how departments or divisions in an organization, as a large corporation, are related to one another along lines of authority.
- organized religion — institutionalized religion, usually with a hierarchical clergy and rules to govern the means by which adherents participate
- 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
- overgeneralization — the act or process of overgeneralizing.
- overnight telegram — a type of domestic telegram sent at a reduced rate with a minimum charge for 10 words or less and accepted until midnight for delivery the following day.
- ox-tongue partisan — a shafted weapon having a long, wide, tapering blade.
- parallel computing — parallel processing
- parallel importing — the importing of certain goods, esp pharmaceutical drugs, by dealers who undersell local manufacturers
- 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
- pathologic anatomy — the branch of pathology dealing with the morphologic changes in tissues.
- peacekeeping force — a force designated to the maintenance of peace, esp the prevention of further fighting between hostile forces in an area
- people trafficking — the practice of bringing immigrants into a country illegally
- percussion flaking — a method of forming a flint tool by striking flakes from a stone core with another stone or a piece of bone or wood.
- personal organizer — a small notebook with sections for personal information, as dates and addresses.
- phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- phytohemagglutinin — a lectin, obtained from the red kidney bean, that binds to the membranes of T cells and stimulates metabolic activity, cell division, etc.
- plains grasshopper — a large, destructive short-horned grasshopper, Brachystola magna, of the western U.S., marked by pinkish hind wings.
- plane trigonometry — the branch of trigonometry dealing with plane triangles.
- plate-glass window — a window that has glass which has been formed by rolling
- point d'angleterre — a bobbin lace in which the design is worked out with either a needle or bobbin.
- point-bearing pile — a pile depending on the soil or rock beneath its foot for support.
- pontifical college — the chief body of priests in ancient Rome.
- 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
- potential gradient — the rate of change of potential with respect to distance in the direction of greatest change.