15-letter words containing p, i, r, a, o
- 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.
- 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.
- psychobiography — a biographical study focusing on psychological factors, as childhood traumas and unconscious motives.
- psychogeriatric — the psychology of old age.
- psychographical — relating to psychographics
- psychohistorian — a person who writes psychohistory
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- public lavatory — a public toilet
- pulmobranchiate — possessing a pulmobranch
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- pyrogallic acid — pyrogallol
- pyrogallic-acid — a white, crystalline, water-soluble, poisonous, solid, phenolic compound, C 6 H 3 (OH) 3 , obtained by heating gallic acid and water: used chiefly as a developer in photography, as a mordant for wool, in dyeing, and in medicine in the treatment of certain skin conditions.
- pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
- pyrotechnically — in a pyrotechnical manner
- quadripartition — A division into four parts.
- quadruplication — one of four copies or identical items, especially copies of typewritten material.
- 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.
- rack-and-pinion — of or relating to a mechanism in which a rack engages a pinion: rack-and-pinion steering.
- radio programme — something that is broadcast on radio
- 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 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.
- radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
- radioautography — autoradiography.
- radiophosphorus — phosphorus 32.
- radiophotograph — a photograph or other image transmitted by radio.
- radioprotection — protection against radiation
- radioprotective — giving protection against the effects of radiation
- radiotelegraphy — the constructing or operating of radiotelegraphs.
- 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.
- re-presentation — the act of representing.
- reapportionment — the act of redistributing or changing the apportionment of something.
- reappropriation — the act of appropriating.
- rear projection — the projection of filmed action or stills on a translucent screen in front of which actors are lit and filmed: used to simulate an outdoor or location background in the studio.
- rear-projection — the projection of filmed action or stills on a translucent screen in front of which actors are lit and filmed: used to simulate an outdoor or location background in the studio.
- reception class — A reception class is a class that children go into when they first start school at the age of four or five.
- recoil-operated — employing the recoil force of an explosive projectile to prepare the firing mechanism for the next shot.
- reconceptualize — to form into a concept; make a concept of.
- refuse disposal — the act of disposing of rubbish and waste
- reincorporation — the act of incorporating or the state of being incorporated.
- remand prisoner — a prisoner who is sent back into custody (or sometimes admitted to bail) to await trial or continuation of their trial
- repeating group — (database) Any attribute that can have multiple values associated with a single instance of some entity. For example, a book might have multiple authors. Such a "-to-many" relationship might be represented in an unnormalised relational database as multiple author columns in the book table or a single author(s) column containing a string which was a list of authors. Converting this to "first normal form" is the first step in database normalisation. Each author of the book would appear in a separate row along with the book's primary key. Later nomalisation stages would move the book-author relationship into a separate table to avoid repeating other book attibutes (e.g. title, publisher) for each author.
- representations — statements of facts, true or alleged, esp set forth by way of remonstrance or expostulation
- reprivatization — the action or process of reprivatizing, or an instance thereof
- reservoir patch — A reservoir patch is an adhesive patch enclosing an amount of medicine. The patch is applied to the skin, and the medicine in it is delivered through a membrane into the skin and into the bloodstream.
- respecification — the act of specifying.
- retail politics — a political strategy or campaign style of meeting and speaking directly to as many voters as possible: New Hampshire is a state where retail politics are decisive. Not every candidate is good at retail politics.
- retro-operative — affecting or operating on past events; retroactive