15-letter words containing p, o, l, r
- police marksman — a police officer skilled in precision shooting, esp with a sniper rifle
- police presence — attendance or proximity of police officers
- police reporter — a news reporter assigned to cover a police department for newsworthy events.
- policy priority — the most important idea or plan that are used by an organization or government as a basis for making decisions
- 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.
- political party — an organization of people who share the same views about the way power should be used in a country or society (through government, policy-making, etc)
- polycarboxylate — a salt or ester of a polycarboxylic acid. Polycarboxylate esters are used in certain detergents
- polychlorinated — having multiple chlorine atoms
- polychloroprene — a chloroprene polymer
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polyelectrolyte — an electrolyte of high molecular weight, usually polymeric, either natural or synthetic.
- polymorphically — in a polymorphic manner
- polynomial ring — the set of all polynomials in an indeterminate variable with coefficients that are elements of a given ring.
- 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.
- popular culture — cultural activities or commercial products reflecting, suited to, or aimed at the tastes of the general masses of people.
- portable pixmap — (file format) (PPM) A colour image file format. A PPM file contains the following: a two character "{magic number}" - "P3", the width in pixels, the height in pixels, the maximum colour component value, HEIGHT rows of WIDTH {pixels}. The rows are ordered from top to bottom with the pixels in each row ordered from left to right. Each pixel is represented as three values for red, green, and blue. All parts are separated by whitespace and numbers are in decimal ASCIII representation. A zero pixel component means that colour is absent. Characters from a "#" to the next end-of-line are ignored and no line should be longer than 70 characters. Here is an example of a small pixmap in this format: P3 # feep.ppm 4 4 15 0 0 0 0 0 0 0 0 0 15 0 15 0 0 0 0 15 7 0 0 0 0 0 0 0 0 0 0 0 0 0 15 7 0 0 0 15 0 15 0 0 0 0 0 0 0 0 0 A "RAWBITS" variant has magic number "P6", pixel values are stored as plain binary bytes, instead of ASCII decimal and no whitespace is allowed after a single whitespace character after the maximum colour component value which must be less than or equal to 255.
- portland cement — a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln.
- portugal laurel — Prunus lusitanica; type of cherry
- 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.
- poultry farming — breeding and keeping fowl
- power amplifier — an amplifier for increasing the power of a signal.
- pre-celebration — an act of celebrating.
- pre-contractual — a preexisting contract that legally prevents a person from making another contract of the same nature.
- precinct police — the police responsible for a district of a city
- preconceptional — a conception or opinion formed beforehand.
- predicate logic — (logic) (Or "predicate calculus") An extension of propositional logic with separate symbols for predicates, subjects, and quantifiers. For example, where propositional logic might assign a single symbol P to the proposition "All men are mortal", predicate logic can define the predicate M(x) which asserts that the subject, x, is mortal and bind x with the universal quantifier ("For all"): All x . M(x) Higher-order predicate logic allows predicates to be the subjects of other predicates.
- preequalization — preemphasis.
- preimplantation — relating to the period before implantation in the uterus
- 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
- price inflation — inflation fuelled by rising prices
- 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).
- principal point — the point where a principal plane intersects the axis.
- 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.
- privately owned — owned by a private individual or organization, rather than by the state or a public body
- pro-nationalist — a person devoted to nationalism.