16-letter words containing p, r, e, d, i, a
- permanganic acid — an acid, HMnO 4 , known only in solution.
- perpendicularity — vertical; straight up and down; upright.
- personal details — details about a person such as their name and address
- persulfuric acid — Also called Caro's acid, permonosulfuric acid, peroxymonosulfuric acid, peroxysulfuric acid. a white, crystalline solid, H 2 SO 5 , used as an oxidizing agent for certain organic compounds.
- phase difference — the difference between two sinusoidally varying quantities that have the same frequency, measured either as an angle or a time
- physical address — (memory management) The address presented to a computer's main memory in a virtual memory system, in contrast to the virtual address which is the address generated by the CPU. A memory management unit translates virtual addresses into physical addresses.
- phytoremediation — a process of decontaminating soil or water by using plants and trees to absorb or break down pollutants.
- picture postcard — postcard (def 1).
- pierce's disease — a disease of grapes caused by a rickettsialike organism, characterized by dwarfing of vines, mottling of woody tissues, and plant death.
- pithecanthropoid — of, relating to, or resembling the former genus Pithecanthropus or one of its members.
- 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)
- ponderosa (pine) — a yellow pine (Pinus ponderosa) of W North America, valued for its timber
- 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.
- preunderstanding — to perceive the meaning of; grasp the idea of; comprehend: to understand Spanish; I didn't understand your question.
- price leadership — the setting of the price of a product or service by a dominant firm at a level that competitors can match, in order to avoid a price war
- primary deviance — the violation of a norm or rule that does not result in the violator's being stigmatized as deviant.
- primary producer — any green plant or any of various microorganisms that can convert light energy or chemical energy into organic matter.
- printer's reader — a person employed to read proofs and indicate errors
- private judgment — personal opinion formed independently of the expressed position of an institution, as in matters of religion or politics.
- private viewdata — an interactive video text system with restricted access
- privet andromeda — a spreading shrub, Lyonia ligustrina, of the eastern U.S., having leafless, white flowers in terminal clusters.
- privileged altar — an altar at which a plenary indulgence for a departed soul may be granted upon celebration of a Mass.
- 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.
- pseudoperipteral — having a freestanding colonnade at each end, with engaged columns at the sides.
- puddling-furnace — the act of a person or thing that puddles.
- 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.
- purple sandpiper — a sandpiper, Calidris maritima, of arctic regions of the New and Old World, having in winter a slate-gray back with purplish reflections.
- pyroracemic acid — pyruvic acid.
- pyruvic aldehyde — a yellow, liquid compound, C 3 H 4 O 2 , containing both an aldehyde and a ketone group, usually obtained in a polymeric form: used chiefly in organic synthesis.
- radio microphone — a microphone incorporating a radio transmitter so that the user can move around freely
- radiotransparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
- ramsden eyepiece — an eyepiece consisting of two plano-convex crown-glass lenses of equal focal length, placed with the convex sides facing each other and with a separation between the lenses of about two-thirds of the focal length of each.
- reconceptualized — to form into a concept; make a concept of.