15-letter words containing n, a, o, t, u
- obtuse triangle — a triangle with one obtuse angle.
- octanitrocubane — (organic compound) A high explosive derived from cubane.
- odd permutation — a permutation of a set of n elements, x 1 , x 2 , …, xn, which permutes the product of all differences of the form (xi – xj), where i is less than j, into the negative of the product.
- odontostomatous — having jaws that resemble teeth
- omnium gatherum — a miscellaneous collection.
- omnium-gatherum — a miscellaneous collection.
- one's last hour — the time of one's death
- opisthognathous — having receding jaws.
- optical pumping — a method for increasing the number of atoms or molecules occupying higher energy levels by irradiating them with light of the proper frequencies to raise them to those levels.
- out of thin air — suddenly and unexpectedly
- out of training — become unfit
- out on your ear — If someone says that you will be out on your ear, they mean that you will be forced to leave a job, an organization or a place suddenly.
- outdoorsmanship — a person devoted to outdoor sports and recreational activities, as hiking, hunting, fishing, or camping.
- outline drawing — a drawing consisting only of external lines
- outstandingness — prominent; conspicuous; striking: an outstanding example of courage.
- outward journey — a journey leaving for a particular destination (as opposed top one returning home)
- outward-looking — looking beyond oneself; open-minded and reaching out to other people, organizations, etc
- over-accentuate — to give emphasis or prominence to.
- over-enthusiasm — absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.
- over-population — to fill with an excessive number of people, straining available resources and facilities: Expanding industry has overpopulated the western suburbs.
- over-regulation — a law, rule, or other order prescribed by authority, especially to regulate conduct.
- overcommunicate — to communicate excessively
- overcultivation — the act or art of cultivating.
- overspeculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- overstimulation — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
- overutilization — to put to use; turn to profitable account: to utilize a stream to power a mill.
- oxyphenbutazone — an anti-inflammatory treatment for arthritis or bursitis
- ozark mountains — an eroded plateau in S Missouri, N Arkansas, and NE Oklahoma. Area: about 130 000 sq km (50 000 sq miles)
- pair production — Physics. the simultaneous creation of a particle and its antiparticle by a nucleus or particle in an excited state, as when a photon is absorbed.
- pandorae fretum — an area in the southern hemisphere of Mars.
- parent compound — a compound from which derivatives may be obtained.
- part of fortune — the celestial longitude of the moon plus the celestial longitude of the ascendant minus the celestial longitude of the sun: said to connote an area of life through which one achieves emotional satisfaction.
- past continuous — past progressive.
- patio furniture — furniture in an area adjoining a house, esp one that is paved and used for outdoor activities
- peak production — the maximum production
- pedunculate oak — a large deciduous oak tree, Quercus robur, of Eurasia, having lobed leaves and stalked acorns
- perforating gun — A perforating gun is a device used to make holes in oil and gas wells in preparation for production.
- pergamentaceous — (esp of plants) resembling parchment, whether in texture or composition
- phantom circuit — a circuit derived from two suitably arranged pairs of wires, each pair being a circuit (side circuit) and also acting as one half of an additional derived circuit, the entire system providing the capabilities of three circuits while requiring wires for only two.
- pheasant coucal — a brown and black, red-eyed Australian bird, Centropus phasianinus, with a pheasantlike tail.
- phenylketonuria — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
- phonautographic — relating to a phonautograph or a piece of equipment that records sound visually by detecting the sound waves and indicating them on a graph
- photojournalism — journalism in which photography dominates written copy, as in certain magazines.
- piano reduction — a musical score having the parts condensed or simplified in two staves, to render the music playable on the piano by one person.
- pictorial janus — K. Kahn, Xerox. Visual extension of Janus. Requires Strand88 and a PostScript interpreter.
- pierrot lunaire — a cycle of 21 songs (1912) for voice and instruments, by Arnold Schönberg, written in Sprechgesang style and set to poems of Albert Giraud in German translation.
- pinochet ugarte — Augusto [ou-goos-taw] /aʊˈgus tɔ/ (Show IPA), 1915–2006, Chilean army general and political leader: president 1973–90.
- pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
- plantaginaceous — relating to or belonging to the family Plantaginaceae
- plastic surgeon — doctor who performs cosmetic surgery