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19-letter words containing a, c, t, e, s

  • moses-in-the-cradle — a plant, Rhoeo spathacea, native to the West Indies and Central America, having leaves with purple undersides and white flowers enclosed in a boat-shaped envelope formed by two bracts.
  • motivation research — the application of the knowledge and techniques of the social sciences, especially psychology and sociology, to understanding consumer attitudes and behavior: used as a guide in advertising and marketing.
  • music to one's ears — something that is very pleasant to hear
  • nasty piece of work — malicious person
  • 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 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 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.
  • 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
  • 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
  • neufchâtel (cheese) — a soft white cheese prepared from whole milk or skim milk and eaten fresh or cured
  • 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.
  • no strings attached — without conditions
  • non-contemporaneous — living or occurring during the same period of time; contemporary.
  • 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)
  • 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.
  • 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
  • objectfuscated code — (humour, programming)   Object-oriented code which has been abstracted to so many levels that no-one can understand it anymore. A play on obfuscated code.
  • olive-backed thrush — Swainson's thrush.
  • on an empty stomach — If you do something on an empty stomach, you do it without having eaten.
  • on no consideration — for no reason whatsoever; never
  • open-hearth process — a process of steelmaking in which the charge is laid in a furnace (open-hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.
  • operations director — a director or senior manager who oversees the efficiency of business operations
  • operations research — the analysis, usually involving mathematical treatment, of a process, problem, or operation to determine its purpose and effectiveness and to gain maximum efficiency.
  • optical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
  • orthopaedic surgeon — a surgeon specializing in the branch of surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
  • orthopaedic surgery — surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
  • pancreatic fibrosis — cystic fibrosis.
  • parachute spinnaker — a very large spinnaker used on a racing yacht.
  • parallactic ellipse — the apparent ellipse, as seen against the background of more distant stars, described annually by a nearby star because of the earth's orbital motion around the sun. Compare parallax (def 2).
  • parasympathomimetic — having an effect similar to that produced when the parasympathetic nervous system is stimulated
  • particle dispersoid — A particle dispersoid is a suspension of solid particles in a gas.
  • particle kinematics — Particle kinematics is the study of the movement of particles, without considering the forces that cause this movement.
  • particle separation — a rule that moves the particle of a phrasal verb, thus deriving a sentence like He looked the answer up from a structure that also underlies He looked up the answer
  • paschen-back effect — a splitting of spectral lines observed when the source of a radiation is subjected to a strong magnetic field, caused when the vectors associated with the spin and orbital angular momentum exhibit individual rather than common precession.
  • pastoral counseling — the use of psychotherapeutic techniques by trained members of the clergy to assist parishioners who seek help for personal or emotional problems.
  • pedestrian crossing — place to cross road
  • pedestrian precinct — A pedestrian precinct is a street or part of a town where vehicles are not allowed.
  • penecontemporaneous — formed during or shortly after the formation of the containing rock stratum: penecontemporaneous minerals.
  • performance targets — the expected or predicted success level of an individual, company or organization
  • permanent secretary — the senior civil servant responsible for running a government ministry
  • personal watercraft — a jet-propelled boat ridden like a motorcycle.
  • phacoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
  • phakoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
  • photoreconnaissance — reconnaissance using aerial photography.
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