19-letter words containing a, t, o, n
- mushroom ventilator — a ventilator having at the top of a vertical shaft a broad rounded cap that can be screwed down to close it.
- music to one's ears — something that is very pleasant to hear
- mutual fund company — a company that sells and manages mutual funds
- mutual masturbation — the act of two or more people masturbating each other
- napierian logarithm — natural logarithm.
- narcotics anonymous — an organization that helps drug users recover from drug addiction
- nasty piece of work — malicious person
- nathaniel hawthorne — Nathaniel, 1804–64, U.S. novelist and short-story writer.
- national assistance — (in Britain) formerly a weekly allowance paid to certain people by the state to bring their incomes up to minimum levels established by law
- national book award — any of several awards given annually, 1949–79, to an author whose book was judged the best in its category: administered by the Association of American Publishers. Abbreviation: NBA, N.B.A.
- national characters — (character) Characters with accents and other diacritical marks that are used in certain written languages (that are based on the Roman alphabet) but not in others, particularly not in English. A standard list is ISO Latin 1.
- national coal board — a statutory corporation set up to run Britain's nationalised coal mining industry between 1947 and 1994, at which time the industry was privatized
- national convention — French History. the legislature of France 1792–95.
- national curriculum — The National Curriculum is the course of study that most school pupils in England and Wales are meant to follow between the ages of 5 and 16.
- national government — A national government is a government with members from more than one political party, especially one that is formed during a crisis.
- national serviceman — a soldier undertaking compulsory military service
- natural catastrophe — A natural catastrophe is an unexpected event, caused by nature, such as an earthquake or flood, in which there is a lot of suffering, damage, or death.
- near to one's heart — cherished or important
- necessary condition — prerequisite
- negation by failure — An extralogical feature of Prolog and other logic programming languages in which failure of unification is treated as establishing the negation of a relation. For example, if Ronald Reagan is not in our database and we asked if he was an American, Prolog would answer "no".
- negative income tax — a system of income subsidy through which persons having less than a certain annual income receive money from the government rather than pay taxes to it.
- neighbourhood watch — a scheme under which members of a community agree together to take responsibility for keeping an eye on each other's property, as a way of preventing crime
- nernst heat theorem — the principle that reactions in crystalline solids involve changes in entropy that tend to zero as the temperature approaches absolute zero
- nerve growth factor — a protein that promotes the growth, organization, and maintenance of sympathetic and some sensory nerve cells. Abbreviation: NGF.
- network termination — (NT, NT1) A device connecting the customer's data or telephone equipment to the local ISDN exchange carrier's line. The NT device provides a connection for terminal equipment (TE) and terminal adaptor (TA) equipment to the local loop.
- neuropathologically — In a neuropathologic way.
- neurotransmissional — Relating to neurotransmission.
- new general catalog — a catalog of star clusters, galaxies, and other non-stellar objects, published in 1888
- new year resolution — a promise to yourself or decision to do something, especially to improve one's behaviour or lifestyle in some way, during the year ahead
- newcastle upon tyne — 1st Duke of, Pelham-Holles, Thomas.
- newtonian mechanics — the branch of mechanics that is based on Newton's laws of motion and that is applicable to systems that are so large that Planck's constant can be regarded as negligibly small (distinguished from quantum mechanics).
- newtonian telescope — a reflecting telescope in which a mirror or reflecting prism is mounted on the axis near the eyepiece so that the image may be viewed from outside the telescope tube at right angles to the axis.
- niagara-on-the-lake — a town in SE Ontario, in S Canada, on Lake Ontario, at the mouth of the Niagara River, on the border between Canada and New York.
- nine plus two array — the arrangement of microtubules in a flagellum or cilium, consisting of a ring of nine evenly spaced couplets surrounding two central singlets. Symbol: 9 + 2.
- no strings attached — without conditions
- no-write allocation — (memory management) A cache policy where only processor reads are cached, thus avoiding the need for write-back or write-through.
- nominative absolute — a construction consisting in English of a noun, noun phrase, or pronoun in the nominative case followed by a predicate lacking a finite verb, used as a loose modifier of the whole sentence, as the play done in The play done, the audience left the theater.
- non-confidentiality — spoken, written, acted on, etc., in strict privacy or secrecy; secret: a confidential remark.
- non-confrontational — tending toward or ready for confrontation: They came to the meeting with a confrontational attitude.
- non-contemporaneous — living or occurring during the same period of time; contemporary.
- non-distinguishable — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
- non-standardization — to bring to or make of an established standard size, weight, quality, strength, or the like: to standardize manufactured parts.
- non-transferability — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
- non-volatile memory — non-volatile storage
- nonforfeiture value — any benefit, as cash or other form of insurance, available to a life-insurance policyholder who discontinues premium payments on the policy.
- nonmaterial culture — the aggregate of values, mores, norms, etc., of a society; the ideational structure of a culture that provides the values and meanings by which it functions.
- nonplayer character — a character in a tabletop role-playing game who is controlled by the Game Master.
- nonproprietary drug — A nonproprietary drug is a generic drug that is essentially similar to a drug with a brand name.
- nonrepresentational — not resembling or portraying any object in physical nature: a nonrepresentational painting.
- nordrhein-westfalen — German name of North Rhine-Westphalia.