16-letter words containing a, p, u, r, e
- 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
- opaque projector — a machine for projecting opaque objects, as books, on a screen, by means of reflected light.
- operating budget — money allocated to a project
- operating manual — a leaflet of instructions on how to use something (such as an electrical appliance, etc)
- optical computer — an experimental computer that uses photons rather than electrical impulses to process data a thousand times faster than with conventional integrated circuits.
- outboard profile — an exterior side elevation of a vessel, showing all deck structures, rigging, fittings, etc.
- 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.
- padded shoulders — (on a garment) shoulders lined, stuffed, or filled out with soft material, esp in order to give them a higher or wider shape
- 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.
- palmtop computer — a computer that has a small screen and compressed keyboard and is small enough to be held in the hand, often used as a personal organizer
- pancreatic juice — a thick, colorless, very alkaline fluid secreted by the pancreas, containing enzymes that break down protein, fat, and starch.
- papillary muscle — one of the small bundles of muscles attached to the ventricle walls and to the chordae tendineae that tighten these tendons during ventricular contraction.
- parachute rigger — a person who inspects, repairs, and packs or folds parachutes.
- paratuberculosis — Johne's disease.
- parkerhouse roll — a yeast roll shaped by folding over a flat, round piece of buttered dough
- partial pressure — the pressure that a gas in a mixture of gases would exert if it occupied the same volume as the mixture at the same temperature.
- 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).
- perez de cuellar — Javier [hah-vyer] /hɑˈvyɛr/ (Show IPA), born 1920, Peruvian diplomat: secretary-general of the United Nations 1982–91; prime minister of Peru 2000–2001.
- perforated ulcer — an ulcer that bursts through the stomach wall and leaks food and gastric juices into the abdominal cavity
- permaculturalist — a system of cultivation intended to maintain permanent agriculture or horticulture by relying on renewable resources and a self-sustaining ecosystem.
- 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
- persulfuric acid — Also called Caro's acid, permonosulfuric acid, peroxymonosulfuric acid, peroxysulfuric acid. a white, crystalline solid, H 2 SO 5 , used as an oxidizing agent for certain organic compounds.
- 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.
- phosphor fatigue — screen saver
- phrase structure — the hierarchical arrangement of the constituent words and phrases of a sentence.
- picture postcard — postcard (def 1).
- pietermaritzburg — a province in the E part of the Republic of South Africa. 35,284 sq. mi. (91,886 sq. km). Capital: Pietermaritzburg.
- 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.
- 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.
- pleasure steamer — a boat powered by steam, used for recreational purposes
- pleasure-seeking — always looking for pleasure
- plutarch's lives — (Parallel Lives) a collection (a.d. 105–15) by Plutarch of short biographies of the leading political figures of ancient Greece and Rome.