15-letter words containing p, r, o, s, l
- police marksman — a police officer skilled in precision shooting, esp with a sniper rifle
- police presence — attendance or proximity of police officers
- polish corridor — a strip of land near the mouth of the Vistula River: formerly separated Germany from East Prussia; given to Poland in the Treaty of Versailles 1919 to provide it with access to the Baltic.
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polysomnography — a record of a person's sleep pattern, breathing, heart activity, and limb movements during sleep. Abbreviation: PSG.
- polyunsaturated — of or noting a class of animal or vegetable fats, especially plant oils, whose molecules consist of carbon chains with many double bonds unsaturated by hydrogen atoms and that are associated with a low cholesterol content of the blood.
- polyvinyl resin — any of the class of thermoplastic resins derived by the polymerization or copolymerization of a vinyl compound: used chiefly as adhesives, sizing agents, and coatings.
- post-industrial — of, relating to, or characteristic of an era following industrialization: The economy of the postindustrial society is based on the provision of services rather than on the manufacture of goods.
- post-liberation — the act of liberating or the state of being liberated.
- post-revolution — an overthrow or repudiation and the thorough replacement of an established government or political system by the people governed.
- posthole digger — a tool or device for digging a posthole.
- postoperatively — occurring after a surgical operation.
- poststimulatory — following stimulation
- potash feldspar — any of the feldspar minerals having the composition KAlSi 3 O 8 , as orthoclase.
- prenflo process — The PRENFLO process is a gasification process to convert substances such as oil, gas, coal, and refinery residue into synthetic gas.
- preprofessional — of or relating to the time preceding one's concentrated study or practice of a profession: preprofessional training.
- present oneself — to appear, esp at a specific time and place
- primordial soup — the seas and atmosphere as they existed on earth before the existence of life, consisting primarily of an oxygen-free gaseous mixture containing chiefly water, hydrogen, methane, ammonia, and carbon dioxide.
- primrose family — the plant family Primulaceae, characterized by herbaceous plants having simple, opposite, whorled, or basal leaves, flowers with a five-lobed corolla, and capsular fruit, and including cyclamen, loosestrife of the genus Lysimachia, pimpernel, primrose, and shooting star.
- primrose yellow — primrose (def 3).
- prince of wales — Prince of Wales and Duke of Cornwall ("The Black Prince") 1330–76, English military leader (son of Edward III).
- principal focus — focal point (def 1).
- prism binocular — Usually, prism binoculars. Optics. binocular (def 1).
- private soldier — A private soldier is a soldier of the lowest rank in an army or the marines.
- pro-nationalist — a person devoted to nationalism.
- problem-solving — skills, process: of finding solutions
- process control — a method of controlling and improving a process using statistical analysis
- processionalist — a member of a procession
- professionalism — professional character, spirit, or methods.
- professionalist — to give a professional character or status to; make into or establish as a profession.
- professionalize — to give a professional character or status to; make into or establish as a profession.
- profit and loss — the gain and loss arising from commercial or other transactions, applied especially to an account or statement of account in bookkeeping showing gains and losses in business.
- propeller shaft — a shaft that transmits power from an engine to a propeller.
- propositionally — the act of offering or suggesting something to be considered, accepted, adopted, or done.
- provost marshal — Army. an officer on the staff of a commander, charged with the maintaining of order and with other police functions within a command.
- proximity talks — a diplomatic process whereby an impartial representative acts as go-between for two opposing parties who are willing to attend the same conference but unwilling to meet face to face
- pseudo-critical — inclined to find fault or to judge with severity, often too readily.
- pseudo-military — of, for, or pertaining to the army or armed forces, often as distinguished from the navy: from civilian to military life.
- pseudoparalysis — the inability to move a part of the body owing to factors, as pain, other than those causing actual paralysis.
- pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
- psychographical — relating to psychographics
- pulchritudinous — physically beautiful; comely.
- purposelessness — having no purpose or apparent meaning.
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- radar telescope — (in radar astronomy) a very large radar antenna used to study planetary bodies in the solar system.
- radio telescope — a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
- random sampling — a method of selecting a sample (random sample) from a statistical population in such a way that every possible sample that could be selected has a predetermined probability of being selected.
- reception class — A reception class is a class that children go into when they first start school at the age of four or five.
- refuelling stop — a stop made so that fresh fuel can be supplied (to an aircraft, vehicle, etc)
- refuse disposal — the act of disposing of rubbish and waste