17-letter words containing a, c, u, l, e, s
- luggage insurance — insurance against the loss of luggage while travelling
- luminous efficacy — the quotient of the luminous flux of a radiation and its corresponding radiant flux
- luminous exitance — the ability of a surface to emit light expressed as the luminous flux per unit area at a specified point on the surface
- magellanic clouds — either of two irregular galactic clusters in the southern heavens that are the nearest independent star system to the Milky Way.
- malagasy republic — former name of Madagascar.
- masculine caesura — a caesura occurring immediately after a stressed or a long syllable.
- mechanical tissue — a plant tissue made up of hard, thick-walled cells that add strength to an organ
- medical insurance — a type of insurance intended to cover possible future medical expenses
- messier catalogue — a catalogue of 103 nonstellar objects, such as nebulae and galaxies, prepared in 1781–86. An object is referred to by its number in this catalogue, for example the Andromeda Galaxy is referred to as M31
- microencapsulated — Encapsulated using microencapsulation.
- miscellaneousness — Quality of being miscellaneous.
- monkeygland sauce — a piquant sauce, made from tomatoes, ketchup, fruit chutney, garlic, spices, etc
- muscae volitantes — floater (def 6).
- muscle dysmorphia — a mental disorder primarily affecting males, characterized by obsessions about a perceived lack of muscularity, leading to compulsive exercising, use of anabolic steroids, etc. Compare body dysmorphic disorder.
- musical interlude — an interval in a play, event or occasion during which music is played
- national security — defence of a country
- 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.
- 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.
- olympic peninsula — a large peninsula of W Washington
- osculating circle — circle of curvature.
- papanicolaou test — Pap test.
- 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.
- 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).
- pluvius insurance — insurance against rain
- postbaccalaureate — bachelor's degree.
- production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
- prostatic utricle — a small pouch near the prostate gland that opens into the urethra.
- pseudepigraphical — certain writings (other than the canonical books and the Apocrypha) professing to be Biblical in character.
- pseudo-biological — pertaining to biology.
- pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- pseudo-moralistic — a person who teaches or inculcates morality.
- 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.
- purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
- purple shore crab — any of numerous crabs that live along the shoreline between the tidemarks, as Hemigrapsus nudus (purple shore crab) of the Pacific coast of North America.
- 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.
- qualified success — If you describe something as a qualified success, you mean that it is only partly successful.
- 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.
- quasquicentennial — pertaining to or marking a period of 125 years.
- queen anne's lace — a plant, Daucus carota, the wild form of the cultivated carrot, having broad umbels of white flowers.
- radioluminescence — luminescence induced by nuclear radiation.
- recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.