18-letter words containing o, n, e, u, p, s
- hold up one's head — to be unashamed
- houghton-le-spring — a town in N England, in Sunderland unitary authority, Tyne and Wear: coal-mining. Pop: 36 746 (2001)
- hungry programmers — (body) A group of programmers producing free software.
- hypersexualisation — Alternative spelling of hypersexualization.
- hypersexualization — The act or process of hypersexualizing.
- inner automorphism — an automorphism that maps an element x into an element of the form axa −1 where a −1 is the inverse of a.
- iron (ii) sulphate — an iron salt with a saline taste, usually obtained as greenish crystals of the heptahydrate, which are converted to the white monohydrate above 100°C: used in inks, tanning, water purification, and in the treatment of anaemia. Formula: FeSO4
- josephson junction — a high-speed switch, used in experimental computers, that operates on the basis of a radiative phenomenon (Jo·sephson effect) exhibited by a pair of superconductors separated by a thin insulator.
- keep one's chin up — the lower extremity of the face, below the mouth.
- keep your shirt on — refrain from losing your temper (often used as an exhortation to another)
- lenticular process — a method for producing images with a three-dimensional effect by photographing on lenticulated film.
- louisiana purchase — a treaty signed with France in 1803 by which the U.S. purchased for $15,000,000 the land extending from the Mississippi River to the Rocky Mountains and from Canada to the Gulf of Mexico.
- magnesium peroxide — a white, tasteless, water-insoluble powder, MgO 2 , used as an antiseptic and as an oxidizing and bleaching agent.
- make up one's mind — (in a human or other conscious being) the element, part, substance, or process that reasons, thinks, feels, wills, perceives, judges, etc.: the processes of the human mind.
- microencapsulation — the process of enclosing chemical substances in microcapsules.
- mosquito repellent — a chemical substance, such as a spray or lotion, applied to the body to prevent mosquitoes biting
- multiple collision — an accident in which several cars crash into each other
- multiple ownership — ownership by several people or organizations
- nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
- neuroleptanalgesia — a semiconscious nonreactive state induced by certain drug combinations, as fentanyl with droperidol.
- neurophysiological — the branch of physiology dealing with the functions of the nervous system.
- neuropsychodynamic — Of or pertaining to neuropsychodynamics.
- neuropsychological — Of or pertaining to neuropsychology, the relation or combination of brain and mind.
- neutrosophic logic — (logic) (Or "Smarandache logic") A generalisation of fuzzy logic based on Neutrosophy. A proposition is t true, i indeterminate, and f false, where t, i, and f are real values from the ranges T, I, F, with no restriction on T, I, F, or the sum n=t+i+f. Neutrosophic logic thus generalises: - intuitionistic logic, which supports incomplete theories (for 0
- nonpartisan league — a political organization of farmers, founded in North Dakota in 1915, and extending to many states west of the Mississippi, with the aim of influencing agricultural legislation in state legislatures.
- north truchas peak — a mountain in N New Mexico, near Santa Fe: one of the three Truchas Peaks. 13,110 feet (3999 meters).
- nurse practitioner — a registered nurse who has received special training for diagnosing and treating routine or minor ailments. Abbreviation: NP.
- nurse-practitioner — a registered nurse who has received special training for diagnosing and treating routine or minor ailments. Abbreviation: NP.
- oedipus at colonus — a tragedy by Sophocles, written toward the end of his life and produced posthumously in 401? b.c.
- one's number is up — one is finished; one is ruined or about to die
- open heart surgery — surgery performed on the exposed heart while a heart-lung machine pumps and oxygenates the blood and diverts it from the heart.
- open-heart surgery — surgery performed on the exposed heart while a heart-lung machine pumps and oxygenates the blood and diverts it from the heart.
- out of one's depth — a dimension taken through an object or body of material, usually downward from an upper surface, horizontally inward from an outer surface, or from top to bottom of something regarded as one of several layers.
- overpressurization — pressure in excess of normal atmospheric pressure, as that caused by an explosion's shock wave or created in an accelerating airplane.
- ox-tongue partisan — a shafted weapon having a long, wide, tapering blade.
- pacinian corpuscle — (sometimes lowercase) a microscopic, onionlike body consisting of layers of connective tissue wrapped around a nerve ending, located in the deep layers of skin, tendons, etc., and functioning as a sensory receptor of pressure and vibration.
- pass the hat round — to collect money, as for a cause
- passing-out parade — a ceremonial parade of cadets who have completed their training
- peano's postulates — a collection of axioms concerning the properties of the set of all positive integers, including the principle of mathematical induction.
- pensioneer trustee — (in Britain) a person authorized by HMRC to oversee the management of a pension fund
- percussion flaking — a method of forming a flint tool by striking flakes from a stone core with another stone or a piece of bone or wood.
- percussion section — orchestra, group: drums, etc.
- percussion welding — a form of resistance welding in which the required pressure is provided by a hammerlike blow.
- perfect continuous — perfect progressive.
- pernicious anaemia — Pernicious anaemia is a very severe blood disease.
- personal bodyguard — a person employed to protect a particular person
- personal insurance — insurance on personal risk, such as car insurance, health insurance or loss of earnings insurance
- phosphonium iodide — a colorless to slightly yellowish, crystalline, water-soluble solid, PH 4 I, used in chemical synthesis.
- physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
- piecewise function — a function whose definition changes depending on the value of the independent variable