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12-letter words containing o, p, t, r, a, n

  • perinatology — a field of medicine focusing on problems emerging during the perinatal period.
  • peritoneally — through the peritoneum
  • pernoctation — the act of staying all night in a place, esp for prayer or as a vigil
  • perorational — of, pertaining to, or characteristic of a peroration
  • peroxidation — a type of reaction in which oxygen atoms are formed leading to the production of peroxides. It is stimulated in the body by certain toxins and infections
  • perpetration — to commit: to perpetrate a crime.
  • perpetuation — to make perpetual.
  • persian knot — a hand-tied knot, used in rug weaving, in which the ends of yarn looped around a warp thread appear at each of the interstices between adjacent threads and produce a compact and relatively even pile effect.
  • perspiration — a salty, watery fluid secreted by the sweat glands of the skin, especially when very warm as a result of strenuous exertion; sweat.
  • pertinacious — holding tenaciously to a purpose, course of action, or opinion; resolute.
  • perturbation — the act of perturbing.
  • petrifaction — the act or process of petrifying; the state of being petrified.
  • petrobrusian — a member of a 12th-century sect in S France that rejected the Mass, infant baptism, prayers for the dead, sacerdotalism, the veneration of the cross, and the building of churches.
  • petrobutanol — butyl alcohol.
  • phanerophyte — a tree or shrub that bears its perennating buds more than 25 cm above the level of the soil
  • pharyngotomy — surgical incision into the pharynx
  • philanthropy — altruistic concern for human welfare and advancement, usually manifested by donations of money, property, or work to needy persons, by endowment of institutions of learning and hospitals, and by generosity to other socially useful purposes.
  • photoengrave — to make a photoengraving of.
  • photonuclear — of, relating to, or caused by the collision of high-energy photons with the nucleus of an atom.
  • pig-ignorant — extremely ignorant or unknowledgeable
  • placentiform — shaped like a placenta, with a flat rounded form
  • pneumothorax — the presence of air or gas in the pleural cavity.
  • poetastering — the profession of being a poetaster
  • pogson ratio — the brightness ratio of two celestial objects that differ by one magnitude. On the Pogson scale a difference of 5 magnitudes is defined as a difference of 100 in the intensities of two stars; therefore a difference of 1 magnitude is equal to the fifth root of 100, i.e. 2.512
  • point charge — an electric charge considered to exist at a single point, and thus having neither area nor volume.
  • point spread — a betting device, established by oddsmakers and used to attract bettors for uneven competitions, indicating the estimated number of points by which a stronger team can be expected to defeat a weaker team, the point spread being added to the weaker team's actual points in the game and this new figure then compared to the stronger team's points to determine winning bets.
  • point-spread — a betting device, established by oddsmakers and used to attract bettors for uneven competitions, indicating the estimated number of points by which a stronger team can be expected to defeat a weaker team, the point spread being added to the weaker team's actual points in the game and this new figure then compared to the stronger team's points to determine winning bets.
  • pointed arch — an arch having a pointed apex.
  • polarization — a sharp division, as of a population or group, into opposing factions.
  • polyurethane — a thermoplastic polymer containing the group NHCOO: used for padding and insulation in furniture, clothing, and packaging, and in the manufacture of resins for adhesives, elastomers, and fillers.
  • ponta grossa — a city in S Brazil.
  • pontificator — the office or term of office of a pontiff.
  • porcelainite — Mineralogy. mullite.
  • porcellanite — hard and dense rock resembling unglazed porcelain
  • port alberni — a port in SW British Columbia, in SW Canada, on the E central part of Vancouver Island, on an inlet of the Pacific Ocean.
  • port angeles — a city in NW Washington, on the Juan de Fuca Strait.
  • port captain — an official in charge of the harbor activities of a seaport.
  • port jackson — an inlet of the Pacific in SE Australia: the harbor of Sydney.
  • post-nuclear — pertaining to or involving atomic weapons: nuclear war.
  • postabortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
  • postcoronary — of, relating to, or occurring after a heart attack
  • poster paint — an opaque, water-based, typically bright-colored paint with a glue-size or gum binder, that is suitable for use on posters and is usually packaged in jars.
  • postliminary — of or relating to postliminy
  • postmeridian — of or relating to the afternoon.
  • postprandial — after a meal, especially after dinner: postprandial oratory; a postprandial brandy.
  • postromantic — of or relating to the period after Romanticism
  • powerboating — a boat propelled by mechanical power.
  • practitioner — a person engaged in the practice of a profession, occupation, etc.: a medical practitioner.
  • pratincolous — living in a meadow.
  • pre-contract — a preexisting contract that legally prevents a person from making another contract of the same nature.
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