15-letter words containing p, r, i, a
- primary teacher — a teacher in a primary school
- primary winding — an induction coil that is the part of an electric circuit in which a changing current induces a current in a neighbouring circuit
- primo de rivera — Miguel [mee-gel] /miˈgɛl/ (Show IPA), Marqués de Estella [mahr-kes th e es-te-lyah] /mɑrˈkɛs ðɛ ɛsˈtɛ lyɑ/ (Show IPA), (Miguel Prima de Rivera y Orbaneja) 1870–1930, Spanish general and political leader: dictator of Spain 1923–29.
- 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.
- prince charming — (sometimes lowercase) a man who embodies a woman's romantic ideal.
- prince of peace — Jesus Christ, regarded by Christians as the Messiah. Isa. 9:6.
- prince of wales — Prince of Wales and Duke of Cornwall ("The Black Prince") 1330–76, English military leader (son of Edward III).
- prince's island — former name of Príncipe.
- principal focus — focal point (def 1).
- 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 parts — a set of inflected forms of a form class from which all the other inflected forms can be derived, as sing, sang, sung; smoke, smoked.
- 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 point — the point where a principal plane intersects the axis.
- 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.
- prior restraint — a court order banning publication of unpublished material.
- prism binocular — Usually, prism binoculars. Optics. binocular (def 1).
- prismatic layer — the middle layer of the shell of certain mollusks, consisting chiefly of crystals of calcium carbonate.
- prisoner of war — a person who is captured and held by an enemy during war, especially a member of the armed forces. Abbreviation: POW.
- prisoner's base — any of various children's games in which each of two teams has a home base where members of the opposing team are kept prisoner after being tagged or caught and from which they can be freed only in specified ways.
- prittle-prattle — foolish or idle talk; babble
- private company — a company whose shareholders may not exceed 50 in number and whose shares may not be offered for public subscription.
- private hearing — a formal or official trial that is not open to the public
- private patient — a patient receiving medical treatment not paid for by the National Health Service
- private pay bed — (in Britain) a bed in a National Health Service hospital, reserved for private patients who pay a consultant acting privately for treatment and who are charged by the health service for use of hospital facilities
- private soldier — A private soldier is a soldier of the lowest rank in an army or the marines.
- private tuition — instruction, esp that received in a small group or individually, that is arranged and paid for by an individual rather than by the state
- privately owned — owned by a private individual or organization, rather than by the state or a public body
- pro-abortionist — pro-choice.
- pro-integration — an act or instance of combining into an integral whole.
- pro-nationalist — a person devoted to nationalism.
- probation order — an order imposed by a magistrate or judge under which an offender is sentenced to probation rather than imprisonment
- probationership — the position of a probationer
- probit equation — A probit equation is used to quantify the relationship between the concentration of a dangerous material and its effect on people.
- problematically — of the nature of a problem; doubtful; uncertain; questionable.
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- processionalist — a member of a procession
- procrastinating — to defer action; delay: to procrastinate until an opportunity is lost.
- procrastination — the act or habit of procrastinating, or putting off or delaying, especially something requiring immediate attention: She was smart, but her constant procrastination led her to be late with almost every assignment.
- procrastinative — to defer action; delay: to procrastinate until an opportunity is lost.
- procrastinatory — to defer action; delay: to procrastinate until an opportunity is lost.
- procreativeness — the quality of being procreative
- 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.
- prognostication — the act of prognosticating.
- prognosticators — to forecast or predict (something future) from present indications or signs; prophesy.
- program picture — a motion picture produced on a low budget, usually shown as the second film of a double feature.
- program trading — trading on international stock exchanges using a computer program to exploit differences between stock index futures and actual share prices on world equity markets