15-letter words containing t, a, o, 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 practice — If you are out of practice at doing something, you have not had much experience of it recently, although you used to do it a lot or be quite good at it.
- 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.
- outer barrister — a barrister belonging to the outer bar.
- outline drawing — a drawing consisting only of external lines
- outreach worker — a person who does work designed to help and encourage disadvantaged members of the community
- outside caliper — a caliper whose legs turn inward so that it can measure outside dimensions, as the diameter of a rod.
- outside forward — one of two attacking players who usually play on the far side of the field; wing.
- 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-articulate — excessively articulate
- over-cultivated — to prepare and work on (land) in order to raise crops; till.
- over-enthusiasm — absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.
- over-particular — of or relating to a single or specific person, thing, group, class, occasion, etc., rather than to others or all; special rather than general: one's particular interests in books.
- 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.
- pamprodactylous — having all four toes directed forward, as in swifts and colies.
- 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.
- parti québécois — (in Canada) a political party in Quebec, formed in 1968 and originally advocating the separation of Quebec from the rest of the country
- partial product — the result obtained when a number is multiplied by one digit of a multiplier
- past continuous — past progressive.
- pastel-coloured — pale-coloured; in a shade such as pink or pale blue
- patchwork quilt — cover sewn from patches of cloth
- patio furniture — furniture in an area adjoining a house, esp one that is paved and used for outdoor activities
- paurometabolous — designating or of a group of insect orders, as orthopterans or hemipterans, in which metamorphosis to the adult state from the juvenile state is gradual and without any sudden, radical change of body form
- peak production — the maximum production
- pectoral muscle — muscle of the chest