16-letter words containing o, u, t, n, a
- pentothal sodium — thiopental sodium
- 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 tuition — private tuition
- personality cult — deliberately cultivated adulation of a person, esp a political leader
- phase modulation — radio transmission in which the carrier wave is modulated by changing its phase to transmit the amplitude and pitch of the signal.
- photocoagulation — a surgical technique using an intense beam of light from a laser or a xenon-arc bulb to seal blood vessels or coagulate tissue, used primarily in ophthalmology to repair detached retinas or to treat certain kinds of retinopathy.
- plymouth company — a company, formed in England in 1606 to establish colonies in America and that founded a colony in Maine in 1607.
- pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
- pocono mountains — ridge of the Appalachians, in E Pa.: resort area: c. 2,000 ft (610 m) high
- 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.
- print journalism — journalism as practiced in newspapers and magazines.
- project guardian — (project, security) A project which grew out of the ARPA support for Multics and the sale of Multics systems to the US Air Force. The USAF wanted a system that could be used to handle more than one security classification of data at a time. They contracted with Honeywell and MITRE Corporation to figure out how to do this. Project Guardian led to the creation of the Access Isolation Mechanism, the forerunner of the B2 labeling and star property support in Multics. The DoD Orange Book was influenced by the experience in building secure systems gained in Project Guardian.
- prosecution case — the case brought against someone by a legal authority
- proto-algonquian — the unattested parent language from which the Algonquian languages are descended.
- proxima centauri — the nearest star to the sun at a distance of 4.3 light-years, part of the Alpha Centauri triple-star system located in the constellation Centaurus.
- pseudocopulation — pollination of plants, esp orchids, by male insects while attempting to mate with flowers that resemble the female insect
- public relations — (used with a plural verb) the actions of a corporation, store, government, individual, etc., in promoting goodwill between itself and the public, the community, employees, customers, etc.
- public transport — fare-paying travel
- publication date — the date on which a book or periodical is or is planned to be published.
- pulmonary artery — an artery conveying venous blood from the right ventricle of the heart to the lungs.
- pulse modulation — a type of modulation in which a train of pulses is used as the carrier wave, one or more of its parameters, such as amplitude, being modulated or modified in order to carry information
- punctuation mark — any of a group of conventional marks or characters used in punctuation, as the period, comma, semicolon, question mark, or dash.
- punctuationalism — punctuated equilibrium.
- put a foot wrong — to make a mistake
- put a sock in it — be quiet!
- put in mothballs — to postpone work on (a project, activity, etc)
- put one's oar in — to interfere or interrupt
- put pen to paper — If you put pen to paper, you write something.
- quantum computer — a computer that makes use of the quantum states of electrons or other particles to store and process information as quantum bits.
- quarter sessions — an English court of general criminal jurisdiction for crimes less than homicide, held quarterly.
- quasi-stationary — a person or thing that is stationary.
- question of fact — a question concerning the reality of an alleged event or circumstance in a trial by jury, usually determined by the jury.
- questionableness — The state or condition of being questionable; dubiousness.
- quinquefoliolate — (botany) Having five leaflets.
- radium emanation — (formerly) radon.
- radius of action — the maximum distance that a ship, aircraft, or land vehicle can travel from its base and return without refuelling
- rambunctiousness — difficult to control or handle; wildly boisterous: a rambunctious child.
- rating community — an online community based around a website that allows members to rate each other's photographs, qualifications, etc, as well as those of applicants, and which only those approved by existing members are allowed to join
- rattle around in — to live or work in (a house, office, etc.) that is too big for one's needs
- reaction turbine — a turbine driven by the reactive force of a fluid passing through the rotor blades.
- rearguard action — an action fought by a rearguard
- reasonable doubt — law: grounds for believing sb is innocent
- reconceptualized — to form into a concept; make a concept of.
- rectus abdominis — a long flat muscle that extends along the whole length of both sides of the abdomen. It flexes the vertebral column, particularly the lumbar portion; it also tenses the anterior abdominal wall and assists in compressing the abdominal contents
- redemption value — the price at which the issuing company may choose to repurchase a security before its maturity date
- redistributional — a distribution performed again or anew.