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19-letter words containing n, a, r, t

  • 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.
  • natural killer cell — a small killer cell that destroys virus-infected cells or tumor cells without activation by an immune system cell or antibody.
  • near letter quality — a quality of print that is not quite letter quality, but is better than draft quality
  • near to one's heart — cherished or important
  • nearest and dearest — People sometimes refer to their close relatives and friends as their nearest and dearest.
  • neats vs. scruffies — (artificial intelligence, jargon)   The label used to refer to one of the continuing holy wars in artificial intelligence research. This conflict tangles together two separate issues. One is the relationship between human reasoning and AI; "neats" tend to try to build systems that "reason" in some way identifiably similar to the way humans report themselves as doing, while "scruffies" profess not to care whether an algorithm resembles human reasoning in the least as long as it works. More importantly, neats tend to believe that logic is king, while scruffies favour looser, more ad-hoc methods driven by empirical knowledge. To a neat, scruffy methods appear promiscuous, successful only by accident and not productive of insights about how intelligence actually works; to a scruffy, neat methods appear to be hung up on formalism and irrelevant to the hard-to-capture "common sense" of living intelligences.
  • 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 resistance — a characteristic of certain electronic components in which an increase in the applied voltage increases the resistance, producing a proportional decrease in current
  • 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
  • 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.
  • 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-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.
  • normal distribution — a theoretical frequency distribution represented by a normal curve.
  • north new hyde park — a town on W Long Island, in SE New York.
  • north pacific ocean — the northern part of the Pacific Ocean, extending from the equator to the Arctic Ocean.
  • north valley stream — a town on W Long Island, in SE New York.
  • north-central state — a state of N Nigeria. Capital: Kaduna. Pop: 4 438 007 (1995 est). Area: 46 053 sq km (17 781 sq miles)
  • north-northeasterly — a wind or storm coming from the north-northeast
  • northwest ordinance — the act of Congress in 1787 providing for the government of the Northwest Territory and setting forth the steps by which its subdivisions might become states.
  • not care/give a fig — If you say that someone doesn't care a fig or doesn't give a fig about something, you are emphasizing that they think it is unimportant or that they are not interested in it.
  • not worth a cracker — worthless; useless
  • not worth a crumpet — utterly worthless
  • notre-dame-de-paris — Also called Notre Dame de Paris [French naw-truh dam duh pa-ree] /French nɔ trə dam də paˈri/ (Show IPA). a famous early gothic cathedral in Paris (started 1163).
  • noughts and crosses — tick-tack-toe (def 1).
  • noughts-and-crosses — tick-tack-toe (def 1).
  • nuclear disarmament — the gradual reduction and eventual elimination of all nuclear weapons in the world
  • nuclear power plant — factory that generates atomic energy
  • nuits-saint-georges — a fine red wine produced near the town of Nuits-Saint-Georges in Burgundy
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