13-letter words containing u, n, p, r, a, i
- plain yoghurt — natural yoghurt, without added flavouring
- platiniferous — platinum-bearing
- platiniridium — a natural alloy composed chiefly of platinum and iridium.
- plesiosaurian — a member of the reptile order Plesiosauria
- plural voting — right to vote more than once
- pluralization — to receive or take a plural form.
- pneumogastric — of or relating to the lungs and stomach.
- pococurantism — a careless or indifferent person.
- pococurantist — a person who demonstrates a tendency toward indifference
- pons asinorum — a geometric proposition that if a triangle has two of its sides equal, the angles opposite these sides are also equal: so named from the difficulty experienced by beginners in mastering it. Euclid, 1:5.
- porcelaineous — like porcelain
- post-freudian — of or relating to Sigmund Freud or his doctrines, especially with respect to the causes and treatment of neurotic and psychopathic states, the interpretation of dreams, etc.
- postinaugural — of or relating to the period after an inauguration
- pouring-basin — (in a vacuum induction furnace) a trough through which molten metal flows under vacuum to a mold chamber.
- prague spring — a brief period of democratization in Czechoslovakia in 1968, under Alexander Dubček.
- pre-columbian — of or relating to the Americas before the arrival of Columbus: pre-Columbian art; pre-Columbian Indians.
- pre-education — the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life.
- precautionary — of, relating to, or characterized by precaution: precautionary measures.
- prefiguration — the act of prefiguring.
- prefunctional — of or relating to a function or functions: functional difficulties in the administration.
- preindustrial — of, pertaining to, of the nature of, or resulting from industry: industrial production; industrial waste.
- prejudication — the act of judging beforehand
- premandibular — situated in front of the mandible
- preoccupation — the state of being preoccupied.
- pronunciation — Rare. an act or instance of declaring publicly; pronouncement: It was but the latest pronunciation of the political double-standard uttered in the course of this scandal. Synonyms: declaration, assertion, statement; announcement, affirmation; proclamation, promulgation, dissemination.
- proteinaceous — Biochemistry. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals and other nonphotosynthesizing organisms, composed of 20 or more amino acids linked in a genetically controlled linear sequence into one or more long polypeptide chains, the final shape and other properties of each protein being determined by the side chains of the amino acids and their chemical attachments: proteins include such specialized forms as collagen for supportive tissue, hemoglobin for transport, antibodies for immune defense, and enzymes for metabolism.
- protoactinium — protactinium.
- prudentialism — a regard for prudential, rather than moral, considerations
- prudentialist — a person who acts prudentially
- prudentiality — prudential nature or practice
- prussian blue — any of a number of blue pigments containing ferrocyanide or ferricyanide complexes
- pulverization — to reduce to dust or powder, as by pounding or grinding.
- puritan ethic — work ethic.
- puritan spoon — a silver spoon having an ovoid bowl and a straight, flat, completely plain stem.
- purple martin — a large American swallow, Progne subis, the male of which is blue-black.
- pursuit plane — (formerly) an armed airplane designed for speed and maneuverability in fighting enemy aircraft.
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadriphonics — quadraphony.
- quarter point — the fourth part of the distance between any two adjacent points of the 32 marked on a compass, being 2° 48′ 45″.
- ration coupon — a coupon that can be exchanged for a certain quantity of rationed goods
- reading group — a group of people who meet regularly to discuss a book that they have all read
- recomputation — an act, process, or method of computing; calculation.
- reduplication — the act of reduplicating; the state of being reduplicated.
- regulator pin — either of two pins on the regulators of certain timepieces, one on each side of the hairspring, that can be moved to adjust the rate of the timepiece.
- republicanism — republican government.
- republicanize — to make republican.
- republication — publication anew.
- repunctuation — the act or process of punctuating differently or again
- saint-exupery — Antoine de [ahn-twan duh] /ɑ̃ˈtwan də/ (Show IPA), 1900–45, French author and aviator.
- sinumbra lamp — an unshaded sperm-oil lamp consisting of a translucent glass globe supported on a pedestal: a form of astral lamp.