15-letter words containing o, n, a, s, i
- quasicontinuous — uninterrupted in time; without cessation: continuous coughing during the concert.
- 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.
- question master — quizmaster.
- question of law — a question concerning a rule or the legal effect or consequence of an event or circumstance, usually determined by a court or judge.
- questionability — of doubtful propriety, honesty, morality, respectability, etc.: questionable activities; in questionable taste.
- quotation marks — one of the marks used to indicate the beginning and end of a quotation, in English usually shown as “ at the beginning and ” at the end, or, for a quotation within a quotation, of single marks of this kind, as “He said, ‘I will go.’ ” Frequently, especially in Great Britain, single marks are used instead of double, the latter being then used for a quotation within a quotation.
- radio astronomy — the branch of astronomy that utilizes extraterrestrial radiation in radio wavelengths rather than visible light for the study of the universe.
- radio sono-buoy — a buoy equipped to detect underwater noises and transmit them by radio
- radiosensitizer — a substance, as a drug, that enhances the sensitivity of tissues or cells to radiation therapy.
- railway station — train stop, railroad station
- raise one's hat — to take one's hat briefly off one's head as a greeting or mark of respect
- 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.
- ray of sunshine — beam of sunlight
- re-presentation — the act of representing.
- read oneself in — to assume possession of a benefice by publicly reading the Thirty-nine Articles
- reafforestation — replanting with trees
- reception class — A reception class is a class that children go into when they first start school at the age of four or five.
- reconsideration — to consider again, especially with a view to change of decision or action: to reconsider a refusal.
- reconsolidation — an act or instance of consolidating; the state of being consolidated; unification: consolidation of companies.
- reconstitutable — to constitute again; reconstruct; recompose.
- recreationalist — recreationist.
- redemonstration — the act or circumstance of proving or being proved conclusively, as by reasoning or a show of evidence: a belief incapable of demonstration.
- rediscount rate — the rate charged by the Federal Reserve Bank to member banks for rediscounting commercial paper.
- relational dbms — relational database
- remand prisoner — a prisoner who is sent back into custody (or sometimes admitted to bail) to await trial or continuation of their trial
- remonstratingly — in an remonstrating or dissenting manner
- remonstratively — in a remonstrative or expostulatory manner
- reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating
- representations — statements of facts, true or alleged, esp set forth by way of remonstrance or expostulation
- resensitization — the state or process of being sensitized.
- residual income — the remaining income (of a business or person) after necessary debts, expenses, etc, have been paid
- resocialization — the process of learning new attitudes and norms required for a new social role.
- respecification — the act of specifying.
- restabilization — the act or process of stabilizing or the state of being stabilized.
- resurrectionary — pertaining to or of the nature of resurrection.
- revisualization — the act of visualizing or picturing something again
- revolving stage — a circular platform divided into segments enabling multiple theater sets to be put in place in advance and in turn rotated into view of the audience.
- rhodesian front — the governing party in Zimbabwe (then called Rhodesia) 1962–78
- right ascension — the arc of the celestial equator measured eastward from the vernal equinox to the foot of the great circle passing through the celestial poles and a given point on the celestial sphere, expressed in degrees or hours.
- roaring forties — the stormy oceanic areas between 40° and 50° south latitude
- robin redbreast — robin (defs 1, 2).
- rocky mountains — mountain range in USA and Canada
- rogation sunday — the fifth Sunday after Easter; it sees the start of the supplications that are continued during the following Monday, Tuesday and Wednesday
- roger bannister — Sir Roger (Gilbert) born 1929, English track and field athlete: first to run a mile in less than four minutes.
- rolling meadows — a city in NE Illinois, near Chicago.
- rolling targets — a series of targets which are reviewed periodically so that they always extend for the same period into the future
- romblon islands — a group of islands of the Philippines in the Sibuyan Sea and Tablas Strait, part of the Visayan Islands.
- rowland heights — a city in SW California, near Los Angeles.
- royal engineers — a branch of the British army that undertakes the building of fortifications, mines, bridges, and other engineering works
- saigon cinnamon — the aromatic inner bark of any of several East Indian trees belonging to the genus Cinnamonum, of the laurel family, especially the bark of C. zeylanicum (Ceylon cinnamon) used as a spice, or that of C. loureirii (Saigon cinnamon) used in medicine as a cordial and carminative.