17-letter words containing a, c, u, s, n
- 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.
- negative eugenics — the study of or belief in the possibility of improving the qualities of the human species or a human population, especially by such means as discouraging reproduction by persons having genetic defects or presumed to have inheritable undesirable traits (negative eugenics) or encouraging reproduction by persons presumed to have inheritable desirable traits (positive eugenics)
- neuropsychiatrist — A medical doctor specializing in neuropsychiatry; a medical doctor dealing with disorders that have both neurological and psychiatric features.
- newspaper cutting — clipping from a news publication
- nicholas bourbaki — the pseudonym of a group of mainly French mathematicians that, since 1939, has been producing a monumental work on advanced mathematics, Eléments de Mathématique
- nikita khrushchev — Nikita S(ergeyevich) [ni-kee-tuh sur-gey-uh-vich;; Russian nyi-kyee-tuh syir-gye-yuh-vyich] /nɪˈki tə sɜrˈgeɪ ə vɪtʃ;; Russian nyɪˈkyi tə syɪrˈgyɛ yə vyɪtʃ/ (Show IPA), 1894–1971, Russian political leader: premier of the U.S.S.R. 1958–64.
- nikolaus von cusa — Nicholas (def 1).
- non-instructional — the act or practice of instructing or teaching; education.
- nonconstitutional — of or relating to the constitution of a state, organization, etc.
- nuclear chemistry — the branch of chemistry concerned with nuclear reactions
- nuclear isomerism — isomerism (def 2).
- 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-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.
- nursery education — education provided at a school for young children, usually from three to five years old
- odour of sanctity — sanctimoniousness
- olympic mountains — a mountain range in NW Washington: part of the Coast Range. Highest peak: Mount Olympus, 2427 m (7965 ft)
- olympic peninsula — a large peninsula of W Washington
- opportunistically — adhering to a policy of opportunism; practicing opportunism.
- organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.
- osculating circle — circle of curvature.
- papanicolaou test — Pap test.
- paratungstic acid — an oxyacid acid of tungsten. Formula: H10W12O14
- performance bonus — a monetary bonus paid to staff who have performed well in their job
- performance drugs — the drugs that are taken illegally by athletes to enhance their sporting performance
- pernicious anemia — Pernicious anemia is a very severe blood disease.
- 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.
- perspicaciousness — having keen mental perception and understanding; discerning: to exhibit perspicacious judgment.
- physical pendulum — any apparatus consisting of a body of possibly irregular shape allowed to rotate freely about a horizontal axis on which it is pivoted (distinguished from simple pendulum).
- picture messaging — Picture messaging is the sending of photographs or pictures from one mobile phone to another.
- pincushion cactus — any of various low-growing, spiny cacti of the genus Mammillaria.
- plastics industry — the industry that makes plastics
- ploughman's lunch — a light lunch consisting of bread and cheese, and sometimes pickled onions.
- pluvius insurance — insurance against rain
- point of purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
- point-of-purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
- potassium cyanide — a white, granular, water-soluble, poisonous powder, KCN, having a faint almondlike odor, used chiefly in metallurgy and photography.
- pressurized cabin — the cabin of an aircraft in which the air has been pressurized
- production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
- project assurance — The process of specifying the support system: techniques, internal standards, measurements, tools, and training for a project; counselling the project team in the application of these elements and monitoring the adherence to the standards.
- pseudo-humanistic — a person having a strong interest in or concern for human welfare, values, and dignity.
- psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
- public assistance — government aid to the poor, disabled, or aged or to dependent children, as financial assistance or food stamps.
- 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.
- quantity discount — When you receive a quantity discount from a store or supplier, you pay less because you have bought a large quantity of goods. Also known as bulk buying discount.
- quantum chemistry — the application of quantum mechanics to the study of chemical phenomena.