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16-letter words containing p, a, n, f, r

  • parts of lindsey — an area in E England constituting a former administrative division of Lincolnshire
  • pass-band filter — band-pass filter
  • passive transfer — Immunology. injection of lymphocytes or antibody from an immune or sensitized donor to a nonimmune host in order to impart immunity or test for allergic reactions.
  • peace conference — a conference where representatives of warring governments or countries sign a treaty to end conflict
  • peregrine falcon — a globally distributed falcon, Falco peregrinus, much used in falconry because of its swift flight: several subspecies are endangered.
  • 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.
  • personal effects — belongings
  • phase difference — the difference between two sinusoidally varying quantities that have the same frequency, measured either as an angle or a time
  • platform-balance — a scale with a platform for holding the items to be weighed.
  • polyvinyl formal — a colorless, water-insoluble, polyvinyl acetal produced from partially hydrolyzed polyvinyl acetate and formaldehyde, used chiefly in the manufacture of lacquers.
  • post-reformation — the act of reforming; state of being reformed.
  • preference share — a share of preferred stock.
  • prespecification — the act of specifying.
  • pressure flaking — a method of manufacturing a flint tool by pressing flakes from a stone core with a pointed implement, usually of wood tipped with antler or copper.
  • pribilof islands — a group of islands in the Bering Sea, off SW Alaska, belonging to the US: the breeding ground of the northern fur seal. Area: about 168 sq km (65 sq miles)
  • prince's feather — a tall, showy plant, Amaranthus hybridus erythrostachys, of the amaranth family, having reddish foliage and thick spikes of small, red flowers.
  • prince's-feather — a tall, showy plant, Amaranthus hybridus erythrostachys, of the amaranth family, having reddish foliage and thick spikes of small, red flowers.
  • principal rafter — a diagonal member of a roof principal, usually forming part of a truss and supporting the purlins on which the common rafters rest.
  • professionalisms — professional character, spirit, or methods.
  • puddling-furnace — the act of a person or thing that puddles.
  • put a foot wrong — to make a mistake
  • racial profiling — the use of personal characteristics or behavior patterns to make generalizations about a person, as in gender profiling.
  • ramen profitable — If a startup business is ramen profitable, it is barely profitable, just enough to allow the founder to live on the cheapest diet.
  • refinery upgrade — A refinery upgrade is the process of introducing the newest technology in some parts of the refinery.
  • reflection plane — a plane through a crystal that divides the crystal into two halves that are mirror images of each other.
  • santa fe springs — a city in SW California, near Los Angeles: oil wells.
  • self-approbation — approval; commendation.
  • self-deprecating — belittling or undervaluing oneself; excessively modest.
  • self-deprecation — belittling or undervaluing oneself; excessively modest.
  • self-deprivation — the act of depriving.
  • self-disparaging — that disparages; tending to belittle or bring reproach upon: a disparaging remark.
  • self-explanatory — explaining itself; needing no explanation; obvious.
  • self-preparation — a proceeding, measure, or provision by which one prepares for something: preparations for a journey.
  • self-proclaiming — to announce or declare in an official or formal manner: to proclaim war.
  • self-propagating — to cause (an organism) to multiply by any process of natural reproduction from the parent stock.
  • self-replicating — reproducing itself by its own power or inherent nature: self-replicating organisms.
  • semiprofessional — actively engaged in some field or sport for pay but on a part-time basis: semiprofessional baseball players.
  • shifting spanner — an adjustable spanner
  • small/fine print — The small print or the fine print of something such as an advertisement or a contract consists of the technical details and legal conditions, which are often printed in much smaller letters than the rest of the text.
  • soft pornography — soft-core pornography.
  • spiny-rayed fish — any of various fishes, as basses and perches, that have sharp, often pointed and usually rigid fin spines.
  • spreading factor — a substance, as hyaluronidase, that promotes the diffusion of a material through body tissues
  • spring snowflake — a European amaryllidaceous plant, Leucojum vernum, with white nodding bell-shaped flowers
  • stonecrop family — the plant family Crassulaceae, characterized by succulent herbaceous plants and shrubs with simple, fleshy leaves, clusters of small flowers, and dry, dehiscent fruit, and including hen-and-chickens, houseleek, kalanchoe, live-forever, orpine, sedum, and stonecrop.
  • sulfanilyl group — the para form of the group C 6 H 6 NO 2 S–, derived from sulfanilic acid.
  • sulfarsphenamine — a yellow, water-soluble, arsenic-containing powder, C 1 4 H 1 4 As 2 N 2 Na 2 O 8 S 2 , formerly used in the treatment of syphilis.
  • superfecundation — the fertilization of two or more ova discharged at the same ovulation by successive acts of sexual intercourse.
  • superunification — a theory intended to describe the electromagnetic force, the strong force, the weak force, and gravity as a single, unified force.
  • surface-printing — planography.
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