18-letter words containing i, s, n, a
- non-conversational — able or ready to converse; given to conversation.
- non-discriminative — constituting a particular quality, trait, or difference; characteristic; notable.
- non-ecclesiastical — of or relating to the church or the clergy; churchly; clerical; not secular.
- non-fundamentalist — (sometimes initial capital letter) a religious movement characterized by a strict belief in the literal interpretation of religious texts, especially within American Protestantism and Islam.
- non-representation — the act of representing.
- nonaggression pact — an agreement between two nations not to attack each other, usually for a specified period of years
- nonintercourse act — the act of Congress (1809) prohibiting all shipping and trade between the United States and British- or French-controlled ports.
- 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.
- nonpreferentialism — of, relating to, or of the nature of preference: preferential policies.
- nonstriated muscle — smooth muscle
- nord-pas-de-calais — a region of N France, on the Straits of Dover (the Pas de Calais): coal-mining, textile, and metallurgical industries
- normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
- northeast corridor — the long, narrow strip of land between Boston, New York City, and Washington, D.C., containing many adjacent urban areas.
- 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.
- not in a fit state — If you say that someone is not in a fit state to do something, you mean that they are too upset or ill to do it.
- notifiable disease — any one of a number of infectious diseases of humans and animals, that must be reported to the public health authorities
- nova scotia salmon — an Atlantic salmon, especially from the waters off Nova Scotia, cured in the local manner.
- numerical analysis — the branch of mathematics dealing with methods for obtaining approximate numerical solutions of mathematical problems.
- nurse practitioner — a registered nurse who has received special training for diagnosing and treating routine or minor ailments. Abbreviation: NP.
- nurse-practitioner — a registered nurse who has received special training for diagnosing and treating routine or minor ailments. Abbreviation: NP.
- nursery facilities — places where young children are looked after
- occasional licence — a licence granted to sell alcohol only at specified times
- oedipus at colonus — a tragedy by Sophocles, written toward the end of his life and produced posthumously in 401? b.c.
- off-street parking — spaces for cars located on private property rather than on a public street
- offensive material — any published or broadcast content (such as articles, photographs, films, or websites) that is likely to be upsetting, insulting, or objectionable to some or most people
- office of readings — the first of the canonical hours; matins
- oil of catechumens — holy oil used in baptism, the ordination of a cleric, the coronation of a sovereign, or in the consecration of a church.
- on a sticky wicket — in an awkward situation
- on that/this score — You can use on that score or on this score to refer to something that has just been mentioned, especially an area of difficulty or concern.
- on the danger list — critically ill in hospital
- one's native heath — the place of one's birth or childhood
- 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
- operationalisation — Alternative spelling of operationalization.
- operations manager — business director
- optical soundtrack — the final soundtrack on a motion picture, which appears as a band of black and white serrations along a strip of film to the left of the composite print. Light is shined through the serrations and is converted to audible sound.
- organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
- oriental alabaster — alabaster (def 2).
- oriental cat's-eye — a chatoyant variety of chrysoberyl, used as a gem.
- oriental scops owl — any of a group of small owls having ear tufts and a whistling call, especially Otus scops (Old World scops owl) and O. sunia (Oriental scops owl)
- oriental shorthair — any of a breed of domestic cat, similar to the Siamese but with greenish eyes and often a coat of a solid color
- orientation course — induction into sth
- 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.
- osteitis deformans — Paget's disease.
- osteogenic sarcoma — osteosarcoma
- osteoradionecrosis — bone tissue death induced by radiation.
- overdraft interest — interest charged on money withdrawn in excess of the credit balance of a bank or building society account
- overpressurization — pressure in excess of normal atmospheric pressure, as that caused by an explosion's shock wave or created in an accelerating airplane.
- overrepresentation — to give too much representation to; represent in numbers that are disproportionately high.