16-letter words containing o, r, a, d, e
- parallelepipedon — a prism with six faces, all parallelograms.
- partial ordering — a relation defined on a set, having the properties that each element is in relation to itself, the relation is transitive, and if two elements are in relation to each other, the two elements are equal.
- parts of lindsey — an area in E England constituting a former administrative division of Lincolnshire
- patched-together — makeshift; roughly made from disparate elements
- pays de la loire — a region of W France, on the Bay of Biscay: generally low-lying, drained by the River Loire and its tributaries; agricultural
- pearls of wisdom — good advice, wise words
- perforated ulcer — an ulcer that bursts through the stomach wall and leaks food and gastric juices into the abdominal cavity
- performance bond — contract bond.
- periodic decimal — repeating decimal.
- periodic tenancy — the letting of a dwelling for a repeated short term, as by the week, month, or quarter, with no end date
- personal details — details about a person such as their name and address
- phytoremediation — a process of decontaminating soil or water by using plants and trees to absorb or break down pollutants.
- picture postcard — postcard (def 1).
- pithecanthropoid — of, relating to, or resembling the former genus Pithecanthropus or one of its members.
- play one's cards — to carry out one's plans; take action (esp in the phrase play one's cards right)
- pocket billiards — pool2 (def 1).
- polar coordinate — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
- polyhedral angle — a configuration consisting of the lateral faces of a polyhedron around one of its vertices. The portion of a pyramid including one of its points is such a configuration.
- ponderosa (pine) — a yellow pine (Pinus ponderosa) of W North America, valued for its timber
- 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.
- posigrade rocket — an auxiliary rocket used to separate the sections of a multistage rocket, fired in the direction of flight.
- praetorian guard — the bodyguard of a military commander, especially the imperial guard stationed in Rome.
- predetermination — to settle or decide in advance: He had predetermined his answer to the offer.
- predispositional — the fact or condition of being predisposed: a predisposition to think optimistically.
- prescription pad — a pad of prescriptions used by doctors, etc
- prestidigitation — sleight of hand; legerdemain.
- primary producer — any green plant or any of various microorganisms that can convert light energy or chemical energy into organic matter.
- privet andromeda — a spreading shrub, Lyonia ligustrina, of the eastern U.S., having leafless, white flowers in terminal clusters.
- program director — a chief executive responsible for selecting and scheduling programs.
- programme editor — someone responsible for editing, overseeing and selecting the content of radio or television programmes
- 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.
- prolonged-action — sustained-release.
- promotional code — A promotional code is a code offered by retailers to customers who can use it to receive a discounted price when buying products online.
- proper adjective — an adjective formed from a proper noun, as American from America.
- pseudo-isidorian — of or relating to the collection of documents of the 9th century a.d. that consist chiefly of the Decretals, attributed to Isidore, archbishop of Seville, a.d. 600–36, and that were rejected as spurious in the 15th century.
- pseudo-patriotic — of, like, suitable for, or characteristic of a patriot.
- pseudo-realistic — interested in, concerned with, or based on what is real or practical: a realistic estimate of costs; a realistic planner.
- pseudo-spiritual — of, relating to, or consisting of spirit; incorporeal.
- pseudohistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- pseudoparenchyma — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
- pseudoperipteral — having a freestanding colonnade at each end, with engaged columns at the sides.
- pullorum disease — a highly contagious, frequently fatal disease of young poultry caused by the bacterium Salmonella gallinarum (pullorum), transmitted by the infected hen during egg production, and characterized by weakness, loss of appetite, and diarrhea.
- pyroracemic acid — pyruvic acid.
- quasi-democratic — pertaining to or of the nature of democracy or a democracy.
- radiation levels — the levels of the emission or transfer of radiant energy or the levels of the particles emitted in the transfer of radiant energy, esp the particles and gamma rays emitted in nuclear decay
- radio evangelist — a Christian minister who devotes time to preaching on the radio
- radio microphone — a microphone incorporating a radio transmitter so that the user can move around freely
- radio-controlled — A radio-controlled device works by receiving radio signals which operate it.
- radiosymmetrical — radially symmetrical.