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16-letter words containing i, p, r, o, c

  • phonocardiograph — an instrument for graphically recording the sound of the heartbeat.
  • phosphorous acid — a colorless, crystalline, water-soluble acid of phosphorus, H 3 PO 3 , from which phosphites are derived.
  • photoautotrophic — any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon.
  • photoelectricity — electricity induced by electromagnetic radiation, as in certain processes, as the photoelectric and photovoltaic effects, photoconductivity, and photoionization.
  • photoperiodicity — the response, as affecting growth or reproduction, of an organism to the length of exposure to light in a 24-hour period.
  • photozincography — a type of photoengraving using a sensitized zinc plate.
  • phytosuccivorous — feeding on sap, as certain sucking insects.
  • picture moulding — the edge around a framed picture
  • picture postcard — postcard (def 1).
  • piezoelectricity — electricity, or electric polarity, produced by the piezoelectric effect.
  • pilot production — sth produced on a trial basis
  • pincers movement — a military maneuver in which both flanks of an enemy force are attacked with the aim of attaining complete encirclement.
  • pinot chardonnay — Chardonnay.
  • 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
  • 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).
  • 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)
  • police inspector — rank of police officer in the UK
  • polyacrylic acid — a polymer of acrylic acid used as a sizing agent in the manufacture of nylon and other synthetic textiles.
  • polyphonic prose — prose characterized by the use of poetic devices, as alliteration, assonance, rhyme, etc., and especially by an emphasis on rhythm not strictly metered.
  • porcelain enamel — a glass coating, made to adhere to a metal or another enamel by fusion.
  • pork scratchings — small pieces of crisply cooked pork crackling, eaten cold as an appetizer with drinks
  • 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.
  • post-romanticism — romantic spirit or tendency.
  • postscript point — (unit, text)   The variant of the point used by Postscript, equal to 0.3527777778 mm, or 1/72 inch.
  • poverty-stricken — suffering from poverty; extremely poor: poverty-stricken refugees.
  • 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.
  • pre-subscription — a sum of money given or pledged as a contribution, payment, investment, etc.
  • 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
  • presence of mind — a calm state of mind that allows one to think clearly or act effectively in an emergency.
  • prespecification — the act of specifying.
  • price commission — (in Britain) a commission established by the government in 1973 with authority to control prices as a measure against inflation. It was abolished in 1980
  • 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
  • primary producer — any green plant or any of various microorganisms that can convert light energy or chemical energy into organic matter.
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