15-letter words containing o, p, e, r, a, s
- preregistration — early registration, in advance of event or general registration
- presentationism — the doctrine that in perception, or in all forms of knowledge, there is an immediate awareness of the things perceived.
- preservationism — a person who advocates or promotes preservation, especially of wildlife, natural areas, or historical places.
- preservationist — a person who advocates or promotes preservation, especially of wildlife, natural areas, or historical places.
- press of canvas — the most sail a vessel can carry under given conditions
- prestidigitator — sleight of hand; legerdemain.
- primary process — the generally unorganized mental activity characteristic of the unconscious and occurring in dreams, fantasies, and related processes.
- primary storage — main memory
- 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 of wales — Prince of Wales and Duke of Cornwall ("The Black Prince") 1330–76, English military leader (son of Edward III).
- prior restraint — a court order banning publication of unpublished material.
- 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.
- private soldier — A private soldier is a soldier of the lowest rank in an army or the marines.
- probationership — the position of a probationer
- 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
- procrastinative — to defer action; delay: to procrastinate until an opportunity is lost.
- procreativeness — the quality of being procreative
- procrustean bed — a plan or scheme to produce uniformity or conformity by arbitrary or violent methods.
- 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.
- programme music — music that is intended to depict or evoke a scene or idea
- programme notes — notes designed to act as guide to an audience listening to live (esp classical) music. They will inform about the sequence of music played and may give some information about the music
- progress chaser — a person employed to make sure at each stage, esp of a manufacturing process, that a piece of work is on schedule and is delivered to the customer on time
- propeller shaft — a shaft that transmits power from an engine to a propeller.
- proscenium arch — the arch separating the stage from the auditorium
- prostate cancer — cancer of the prostate
- proxy statement — a statement containing information, frequently exhaustive, about a corporation, its officers, and any propositions to be voted on, sent to stockholders when their proxies are being solicited for an annual or a special stockholders' meeting.
- pseudepigraphon — any book of the Pseudepigrapha
- pseudo-artistic — conforming to the standards of art; satisfying aesthetic requirements: artistic productions.
- pseudo-critical — inclined to find fault or to judge with severity, often too readily.
- pseudo-dramatic — of or relating to the drama.
- pseudo-military — of, for, or pertaining to the army or armed forces, often as distinguished from the navy: from civilian to military life.
- pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- pseudoarthrosis — a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united
- pseudoparalysis — the inability to move a part of the body owing to factors, as pain, other than those causing actual paralysis.
- pseudopregnancy — Pathology, Veterinary Pathology. false pregnancy.
- pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
- psion organiser — (computer) A popular pocket computer from the UK Company Psion plc. The organiser uses a graphical user interface with windows, menus, icons and dialog boxes. There have been several versions so far: Series3a, Series3, HC, MC, OrgII.
- psychogeriatric — the psychology of old age.
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- put years on sb — If you say that something such as an experience or a way of dressing has put years on someone, you mean that it has made them look or feel much older.
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- query expansion — (information science) Adding search terms to a user's search. Query expansion is the process of a search engine adding search terms to a user's weighted search. The intent is to improve precision and/or recall. The additional terms may be taken from a thesaurus. For example a search for "car" may be expanded to: car cars auto autos automobile automobiles. The additional terms may also be taken from documents that the user has specified as being relevant; this is the basis for the "more like this" feature of some search engines. The extra terms can have positive or negative weights.
- 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.
- rake's progress — a series of paintings and engravings by William Hogarth.
- re-presentation — the act of representing.