16-letter words containing u, n, p, a, r
- natural monopoly — the situation when, due to the economies of scale of a particular industry, the maximum efficiency of production and distribution is realized through a single supplier
- neuroarthropathy — (medicine) Any disease of a joint that is associated with a disease of the nervous system.
- neuroepithelioma — Neurocytoma.
- neurohypophyseal — Relating to the neurohypophysis.
- neurohypophysial — Relating to the neurohypophysis.
- neuropathologies — the pathology of the nervous system.
- neuropathologist — A specialist who practices neuropathology.
- neuropsychiatric — Of or pertaining to neuropsychiatry; simultaneously neurological and psychiatric.
- north massapequa — a city on S Long Island, in SE New York.
- nuclear envelope — the double membrane surrounding the nucleus within a cell.
- occupation layer — (on an archaeological site) a layer of remains left by a single culture, from which the culture can be dated or identified.
- onboard computer — onboard a vehicle, ship, plane, train or spacecraft
- operating budget — money allocated to a project
- operating manual — a leaflet of instructions on how to use something (such as an electrical appliance, etc)
- organophosphorus — Denoting synthetic organic compounds containing phosphorus, especially pesticides and nerve gases of this kind.
- over-speculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- pacific sturgeon — a dark gray sturgeon, Acipenser transmontanus, inhabiting marine and fresh waters along the northwestern coast of North America, valued as a food and sport fish.
- paediatric nurse — a nurse who specializes in the care of children
- paint-by-numbers — formulaic; showing no original thought or creativity
- painted trillium — a North American trillium, Trillium undulatum, having white flowers streaked with pink or purple.
- pairs tournament — an event in a sport such as tennis or darts open to pairs of competitors
- palmer peninsula — former name of Antarctic Peninsula.
- palomar mountain — mountain in SW Calif., near San Diego: site of an astronomical observatory: 6,140 ft (1,871 m)
- pancreatic juice — a thick, colorless, very alkaline fluid secreted by the pancreas, containing enzymes that break down protein, fat, and starch.
- partial function — A function which is not defined for all arguments of its input type. E.g. f(x) = 1/x if x /= 0. The opposite of a total function. In denotational semantics, a partial function f : D -> C may be represented as a total function ft : D' -> lift(C) where D' is a superset of D and ft x = f x if x in D ft x = bottom otherwise where lift(C) = C U bottom. Bottom (LaTeX \perp) denotes "undefined".
- paterson's curse — a purple-flowered noxious plant, Echium plantagineum, a close relative of viper's bugloss, naturalized in Australia and NZ where its harmfulness to livestock has prompted attempts to limit its spread
- peninsular state — Florida (used as a nickname).
- perpendicularity — vertical; straight up and down; upright.
- perpetual motion — the motion of a theoretical mechanism that, without any losses due to friction or other forms of dissipation of energy, would continue to operate indefinitely at the same rate without any external energy being applied to it.
- personal pronoun — any one of the pronouns used to refer to the speaker, or to one or more to or about whom or which he or she is speaking, as, in English, I, we, you, he, she, it, they.
- personal tuition — private tuition
- personality cult — deliberately cultivated adulation of a person, esp a political leader
- peruvian rhatany — See under rhatany (def 1).
- peter stuyvesant — Peter, 1592–1672, Dutch colonial administrator in the Americas: last governor of New Netherlands 1646–64.
- pineal apparatus — a median outgrowth of the roof of the diencephalon in vertebrates that in some develops into the pineal eye and in others into the pineal gland.
- piscis austrinus — a small constellation in the S hemisphere lying between Aquarius and Grus and containing the first-magnitude star Fomalhaut
- planetary nebula — an expanding shell of thin ionized gas that is ejected from and surrounds a hot, dying star of about the same mass as the sun; the gas absorbs ultraviolet radiation from the central star and reemits it as visible light by the process of fluorescence.
- platinum-iridium — (standard) A standard, against which all others of the same category are measured. Usage: silly. The notion is that one of whatever it is has actually been cast in platinum-iridium alloy and placed in the vault beside the Standard Kilogram at the International Bureau of Weights and Measures near Paris, as the bar defining the standard metre once was. "This garbage collection algorithm has been tested against the platinum-iridium cons cell in Paris." Compare golden.
- pleasure-seeking — always looking for pleasure
- pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
- poitou-charentes — a region of W central France, on the Bay of Biscay: mainly low-lying
- portmanteau word — a case or bag to carry clothing in while traveling, especially a leather trunk or suitcase that opens into two halves.
- portuguese india — a former Portuguese overseas territory on the W coast of India, consisting of the districts of Gôa, Daman, and Diu: annexed by India December 1961. Capital: Gôa.
- praetorian guard — the bodyguard of a military commander, especially the imperial guard stationed in Rome.
- prerevolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- pressure flaking — a method of manufacturing a flint tool by pressing flakes from a stone core with a pointed implement, usually of wood tipped with antler or copper.
- preunderstanding — to perceive the meaning of; grasp the idea of; comprehend: to understand Spanish; I didn't understand your question.
- primary consumer — (in the food chain) an animal that feeds on plants; a herbivore.
- primary industry — an industry, as agriculture, forestry, or fishing, that deals in obtaining natural materials.
- principal clause — the main clause.