15-letter words containing a, l, e, p, i, n
- prince's island — former name of Príncipe.
- principal ideal — the smallest ideal containing a given element in a ring; an ideal in a ring with a multiplicative identity, obtained by multiplying each element of the ring by one specified element.
- principal plane — a plane that is perpendicular to the axis of a lens, mirror, or other optical system and at which rays diverging from a focal point are deviated parallel to the axis or at which rays parallel to the axis are deviated to converge to a focal point.
- principal value — a value selected at a point in the domain of a multiple-valued function, chosen so that the function has a single value at the point.
- privately owned — owned by a private individual or organization, rather than by the state or a public body
- 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.
- proletarianized — to convert or transform into a member or members of the proletariat: to proletarianize the middle class.
- proletarization — to proletarianize.
- propionaldehyde — a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.
- proportionately — proportioned; being in due proportion; proportional.
- pseudo-national — of, relating to, or maintained by a nation as an organized whole or independent political unit: national affairs.
- public nuisance — act, thing: anti-social
- public speaking — the act of delivering speeches in public.
- publicity agent — A publicity agent is a person whose job is to make sure that a large number of people know about a person, show, or event so that they are successful.
- pullman kitchen — a kitchenette, often recessed into a wall and concealed by double doors or a screen.
- pulmobranchiate — possessing a pulmobranch
- pure and simple — sheer, utter
- purslane family — the plant family Portulacaceae, characterized by chiefly herbaceous plants having simple, often fleshy leaves, sometimes showy flowers, and capsular fruit, and including bitterroot, purslane, red maids, rose moss, and spring beauty.
- pyramid selling — Pyramid selling is a method of selling in which one person buys a supply of a particular product direct from the manufacturer and then sells it to a number of other people at an increased price. These people sell it on to others in a similar way, but eventually the final buyers are only able to sell the product for less than they paid for it.
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- pyrotechnically — in a pyrotechnical manner
- radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
- radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
- range paralysis — Marek's disease.
- reception class — A reception class is a class that children go into when they first start school at the age of four or five.
- reconceptualize — to form into a concept; make a concept of.
- recycling plant — a factory for processing used or abandoned materials
- relapsing fever — one of a group of fevers characterized by relapses, occurring in many tropical countries, and caused by several species of spirochetes transmitted by several species of lice and ticks.
- rendering plant — a factory where waste products and livestock carcasses are converted into industrial fats and oils (such as tallow, used to make soap) and other products (such as fertilizer)
- retirement plan — a systematic plan made and kept by an individual for setting aside income for his or her future retirement.
- retroperitoneal — of or relating to the area behind the abdominal lining, where organs such as the kidneys and bladder are located
- rheinland-pfalz — German name of Rhineland-Palatinate.
- rocket airplane — an airplane propelled wholly or mainly by a rocket engine.
- rump parliament — the remnant of the Long Parliament established by the expulsion of the Presbyterian members in 1648, dismissed by force in 1653, and restored briefly in 1659–60.
- sales promotion — the methods or techniques for creating public acceptance of or interest in a product, usually in addition to standard merchandising techniques, as advertising or personal selling, and generally consisting of the offer of free samples, gifts made to a purchaser, or the like.
- schlieffen plan — a plan intended to ensure German victory over a Franco-Russian alliance by holding off Russia with minimal strength and swiftly defeating France by a massive flanking movement through the Low Countries, devised by Alfred, Count von Schlieffen (1833–1913) in 1905
- self-absorption — preoccupation with oneself or one's own affairs.
- self-persuasion — the act of persuading or seeking to persuade.
- sensitive plant — Also called humble plant. a tropical American plant, Mimosa pudica, cultivated in greenhouses, having bipinnate leaves whose leaflets fold together when touched.
- septentrionally — northwards; in the direction of the north
- simple equation — linear equation
- simple fraction — a ratio of two integers.
- simple interval — an interval of an octave or less.
- simplicidentate — belonging or pertaining to the Simplicidentata, formerly regarded as a suborder or division of rodents having only one pair of upper incisor teeth.
- sinai peninsula — broad peninsula in NE Egypt, between the Gulf of Suez & the Gulf of Aqaba
- singapore sling — a cocktail of gin, cherry brandy, sugar, and water.
- slab plastering — coarse plastering, as between the studs in a half-timbered wall.