17-letter words containing u, n, r, e, a, l
- natural resources — a naturally occurring source of wealth, as land or water.
- natural selection — the process by which forms of life having traits that better enable them to adapt to specific environmental pressures, as predators, changes in climate, or competition for food or mates, will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations.
- natural-resources — a naturally occurring source of wealth, as land or water.
- 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
- neurobiologically — In terms of or by means of neurobiology.
- neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
- neuropharmacology — the branch of pharmacology concerned with the effects of drugs on the nervous system.
- non-manual worker — a person whose job involves the use of their mind, rather than the use of their hands or physical strength
- 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 isomerism — isomerism (def 2).
- 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 submarine — undersea vessel powered by atomic energy
- nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
- nuclear-free zone — any area in which nuclear weapons, power plants, or materials are not allowed.
- nuclear-isomerism — Chemistry. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism) as CH 3 OCH 3 and CH 3 CH 2 OH, or in the arrangement of their atoms in space and therefore in one or more properties. Compare optical isomerism, stereoisomerism.
- 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.
- 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.
- parallel universe — Physics. any of a hypothetical collection of undetectable universes that are like our known universe but have branched off from our universe due to a quantum-level event. See also multiverse.
- pauline privilege — (in canon law) the privilege given to converts to dissolve a marriage with an unbaptized spouse if either obstructs the religious practices of the other.
- 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.
- phonological rule — an operation in generative phonology that substitutes one sound or class of sounds for another in a phonological derivation.
- 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.
- pluvius insurance — insurance against rain
- polymorphonuclear — (of a leukocyte) having a lobulate nucleus.
- 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.
- prelingually deaf — deaf from birth or having acquired deafness before learning to speak
- 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
- professional foul — In football, if a player commits a professional foul, they deliberately do something which is against the rules in order to prevent another player from scoring a goal.
- prudence crandall — Prudence, 1803–90, U.S. educator and civil-rights activist.
- pull your head in — be quiet!
- purely and simply — You use purely and simply to emphasize that the thing you are mentioning is the only thing involved.
- purple granadilla — the edible fruit of any of several species of passionflower, especially Passiflora edulis (purple granadilla) or P. quadrangularis (giant granadilla)
- pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
- 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.
- quattuordecillion — a cardinal number represented in the U.S. by 1 followed by 45 zeros, and in Great Britain by 1 followed by 84 zeros.
- radioluminescence — luminescence induced by nuclear radiation.