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16-letter words containing a, c, e, p, r, o

  • people's charter — the principles or movement of a party of political reformers, chiefly workingmen, in England from 1838 to 1848: so called from the document (People's Charter or National Charter) that contained a statement of their principles and demands.
  • percentage point — difference: one per cent
  • perchloromethane — carbon tetrachloride.
  • peregrine falcon — a globally distributed falcon, Falco peregrinus, much used in falconry because of its swift flight: several subspecies are endangered.
  • perforated ulcer — an ulcer that bursts through the stomach wall and leaks food and gastric juices into the abdominal cavity
  • performance bond — contract bond.
  • performance test — a test requiring little or no use of language, the test materials being designed to elicit manual or behavioral responses rather than verbal ones.
  • 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 effects — belongings
  • personality cult — deliberately cultivated adulation of a person, esp a political leader
  • personnel agency — an agency for placing employable persons in jobs; employment agency.
  • peter pan collar — a close-fitting flat or rolled collar with rounded ends that meet in front of a high, round neckline.
  • pharmacogenetics — the branch of pharmacology that examines the relation of genetic factors to variations in response to drugs.
  • pharmacogenomics — the study of human genetic variability in relation to drug action and its application to medical treatment
  • pharmacokinetics — the branch of pharmacology that studies the fate of pharmacological substances in the body, as their absorption, distribution, metabolism, and elimination.
  • phase microscope — a microscope that utilizes the phase differences of light rays transmitted by different portions of an object to create an image in which the details of the object are distinct despite their near-uniformity of refractive index.
  • pheochromocytoma — a tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension, headaches, nausea, etc.
  • picture postcard — postcard (def 1).
  • pithecanthropine — of, belonging to, or resembling a former genus (Pithecanthropus, now classified as Homo erectus) of extinct early humans, who lived in Java, China, Europe, and Africa
  • pithecanthropoid — of, relating to, or resembling the former genus Pithecanthropus or one of its members.
  • place of worship — religious house: church, temple
  • platform-balance — a scale with a platform for holding the items to be weighed.
  • play one's cards — to carry out one's plans; take action (esp in the phrase play one's cards right)
  • pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
  • pocket billiards — pool2 (def 1).
  • pocket secretary — a long, narrow walletlike case, usually of leather and containing pockets for credit and business cards, paper money, etc., and sometimes a notepad and pencil.
  • poitou-charentes — a region of W central France, on the Bay of Biscay: mainly low-lying
  • 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)
  • porcelain enamel — a glass coating, made to adhere to a metal or another enamel by fusion.
  • posigrade rocket — an auxiliary rocket used to separate the sections of a multistage rocket, fired in the direction of flight.
  • post-renaissance — the activity, spirit, or time of the great revival of art, literature, and learning in Europe beginning in the 14th century and extending to the 17th century, marking the transition from the medieval to the modern world.
  • powerpc platform — (architecture, standard)   (PPCP, PReP - PowerPC Reference Platform, formerly CHRP - Common Hardware Reference Platform) An open system standard, designed by IBM, intended to ensure compatibility among PowerPC-based systems built by different companies. The PReP standard specifies the PCI bus, but will also support ISA, MicroChannel and PCMCIA. PReP-compliant systems will be able to run the Macintosh OS, OS/2, WorkplaceOS, AIX, Solaris, Taligent and Windows NT. IBM systems will (of course) be PReP-compliant. Apple's first PowerPC Macintoshes will not be compliant, but future ones may be.
  • practical reason — (in Kantian ethics) reason applied to the problem of action and choice, especially in ethical matters.
  • practice session — a period of training that takes place over a set period of time, for example an hour or several hours
  • pragmatic theory — the theory of truth that the truth of a statement consists in its practical consequences, especially in its agreement with subsequent experience.
  • prairie schooner — a type of covered wagon, similar to but smaller than the Conestoga wagon, used by pioneers in crossing the prairies and plains of North America.
  • pre-conversation — informal interchange of thoughts, information, etc., by spoken words; oral communication between persons; talk; colloquy.
  • pre-emancipation — the act of emancipating.
  • pre-solicitation — the act of soliciting.
  • precast concrete — ready-formed cement mixture
  • precinct station — a police station for police responsible for a district of a city
  • preconcentration — the act of concentrating; the state of being concentrated.
  • precontemplation — the act of contemplating; thoughtful observation.
  • prescription pad — a pad of prescriptions used by doctors, etc
  • prespecification — the act of specifying.
  • price comparison — Price comparison is comparing the price of the same product in different outlets.
  • primary consumer — (in the food chain) an animal that feeds on plants; a herbivore.
  • primary election — primary (def 15a).
  • primary electron — in thermionics, any of the electrons falling on a body, distinguished from those emitted by it
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