17-letter words containing l, u, n, a, t

nautical twilight — the period of time during which the sun is 12° below the horizon
neo-malthusianism — a view or doctrine advocating population control, especially by contraception.
net present value — an assessment of the long-term profitability of a project made by adding together all the revenue it can be expected to achieve over its whole life and deducting all the costs involved, discounting both future costs and revenue at an appropriate rate
neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
newfoundland time — a form of civil time observed on the island of Newfoundland, one and one-half hours later than Eastern time and a half hour later than Atlantic time.
ngaliema mountain — Mount, a mountain with two summits, in central Africa, between Uganda and the Democratic Republic of the Congo: highest peak in the Ruwenzori group. 16,790 feet (5119 meters).
non-institutional — of, relating to, or established by institution.
non-instructional — the act or practice of instructing or teaching; education.
nonconstitutional — of or relating to the constitution of a state, organization, etc.
nonunderstandable — Not understandable.
nuclear chemistry — the branch of chemistry concerned with nuclear reactions
nuclear deterrent — a country's nuclear weapons viewed as a deterrent to other countries from attacking
nuclear radiation — Physics. radiation in the form of elementary particles emitted by an atomic nucleus, as alpha rays or gamma rays, produced by decay of radioactive substances or by nuclear fission.
nuclear scientist — a scientist who studies nuclear physics
nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
numerical control — control of a machine tool, or other device used in a manufacturing process, by a computer, other control circuitry, or recorded digital commands.
old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
olympic mountains — a mountain range in NW Washington: part of the Coast Range. Highest peak: Mount Olympus, 2427 m (7965 ft)
opportunistically — adhering to a policy of opportunism; practicing opportunism.
optical computing — (hardware) (Or "Optical Signal Processing") Operating on data represented using electromagnetic radiation, e.g. visible light, instead of the electrical signals used in a conventional electronic digital computer. Electronic digital computers are built from transistors. These form components that store data and logic gates that perform the low-level Boolean operations such as AND, OR and NOT that are the basis of all digital computation. The optical equivalent requires material with a non-linear refractive index such that light beams can interact with each other to perform the same Boolean operations. Though the photons that carry optical signals offer some theoretical advantages over the electrons that carry electronic signals, there are many practical problems that would have to be overcome before optical computing could compete in terms of cost, power and speed.
osculating circle — circle of curvature.
out of all reason — unreasonable
outline agreement — a contract, etc, setting out the preliminary terms or guidelines for an agreement; a preliminary agreement
palace revolution — a challenge to or overthrow of a sovereign or other leader by members of the ruling family or group.
papanicolaou test — Pap test.
particularization — to make particular.
penalty shoot-out — In football, a penalty shoot-out is a way of deciding the result of a game that has ended in a draw. Players from each team try to score a goal in turn until one player fails to score and their team loses the game.
perpetual spinach — a variety of spinach that keeps producing edible leaves
personal computer — a compact computer that uses a microprocessor and is designed for individual use, as by a person in an office or at home or school, for such applications as word processing, data management, financial analysis, or computer games. Abbreviation: PC.
personal equation — the tendency to personal bias that accounts for variation in interpretation or approach and for which allowance must be made.
phumiphon aduldet — (Phumiphon Aduldet; Bhumibol Adulyadej) born 1927, king of Thailand since 1946.
pittsburg landing — a village in SW Tennessee, on the Tennessee River: battle of Shiloh in 1862.
plastics industry — the industry that makes plastics
plug and feathers — an apparatus for splitting stone, consisting of two tapered bars (feathers) inserted into a hole drilled into the stone, between which a narrow wedge (plug) is hammered to spread them.
polyvinyl butyral — a white, water-insoluble, polyvinyl acetal made with butyraldehyde, used chiefly as an interlayer in the manufacture of safety glass.
postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.
pre-qualification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
pre-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
prison population — all the people who are confined in prison
product placement — Product placement is a form of advertising in which a company has its product placed where it can be clearly seen during a film or television programme.
production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
public accountant — an accountant whose services are available to the public at large, in contrast to one employed on a full-time basis by a company.
public assistance — government aid to the poor, disabled, or aged or to dependent children, as financial assistance or food stamps.
put on a pedestal — an architectural support for a column, statue, vase, or the like.
quality assurance — a system for ensuring a desired level of quality in the development, production, or delivery of products and services: Quality assurance for nursing homes begins with a set of standards. Abbreviation: QA.
quality newspaper — a more serious newspaper which gives detailed accounts of world events, as well as reports on business, culture, and society
quantum cell wire — (electronics, computing) (Or "quantum wire", "binary wire") Quantum cells arranged in a line to carry signals. Adjacent cells with the same orientation are at a low energy state and a change of orientation at one end of a quantum wire propagates along the wire, transmitting a signal. However, unlike conventional wire, since only the orientation of charge pairs changes, no current flows. Circuits created using quantum cell wires are referred to as Quantum-dot Wireless Digital Circuits, see quantum dot, Quantum-dot Cellular Automata.
quasiexperimental — (medicine) Describing a trial in which the assignment to a group is based upon an experimental condition.
quasquicentennial — pertaining to or marking a period of 125 years.

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