15-letter words containing i, r, o, n, y
- 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.
- racial minority — a group of a certain race that are in the minority compared to a larger group, the rest of the population, etc
- radio astronomy — the branch of astronomy that utilizes extraterrestrial radiation in radio wavelengths rather than visible light for the study of the universe.
- radio frequency — the frequency of the transmitting waves of a given radio message or broadcast.
- radio sono-buoy — a buoy equipped to detect underwater noises and transmit them by radio
- radiogoniometry — the science of detecting the direction of radio waves
- radioimmunology — the study of biological substances or processes with the aid of antigens or antibodies labeled with a radioactive isotope.
- radiotechnology — the technical application of any form of radiation to industry.
- railway journey — a journey made by railway train
- railway network — a system of intersecting rail routes
- railway station — train stop, railroad station
- ray of sunshine — beam of sunlight
- reality fiction — a satirical parody of a reality TV show
- recognizability — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
- reconcilability — capable of being reconciled.
- remonstratingly — in an remonstrating or dissenting manner
- remonstratively — in a remonstrative or expostulatory manner
- resurrectionary — pertaining to or of the nature of resurrection.
- revolutionarily — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- rhyming couplet — a pair of lines in poetry that rhyme and usually have the same rhythm
- right-hand buoy — a distinctive buoy marking the side of a channel regarded as the right, or starboard, side.
- ringtail monkey — a Central and South American monkey, Cebus capucinus, having a prehensile tail and hair on the head resembling a cowl.
- 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
- roll in the hay — a document of paper, parchment, or the like, that is or may be rolled up, as for storing; scroll.
- romantic comedy — a light and humorous movie, play, etc., whose central plot is a happy love story.
- rotary drilling — Rotary drilling is the use of a continuous circular motion of the drill bit to make a hole.
- roundaboutility — roundaboutness
- royal engineers — a branch of the British army that undertakes the building of fortifications, mines, bridges, and other engineering works
- royal poinciana — a tree, Delonix regia, of the legume family, native to Madagascar, having showy clusters of brilliant scarlet flowers and long, flat, woody pods.
- sanitary cordon — cordon sanitaire.
- self-glorifying — to cause to be or treat as being more splendid, excellent, etc., than would normally be considered.
- semantic memory — the recollection of facts and concepts
- semidocumentary — a film or television programme that is fictional but includes many factual events or details
- semipornography — partial pornography; material that is almost pornographic
- sepoy rebellion — the Indian Mutiny of 1857–58
- septentrionally — northwards; in the direction of the north
- serendipitously — come upon or found by accident; fortuitous: serendipitous scientific discoveries.
- serial monogamy — a form of monogamy characterized by several successive, short-term marriages over the course of a lifetime.
- service economy — an economy which is dominated by the provision or importance of services (as opposed to products)
- sharing economy — a system in which people rent, borrow, or share commodities, services, and resources owned by individuals, usually with the aid of online technology, in an effort to save money, cut costs, and reduce waste.
- silent majority — the U.S. citizens who supported President Nixon's policies but who were not politically vocal, outspoken, or active: considered by him to constitute a majority.
- sinorespiratory — of, relating to, or affecting the paranasal sinuses and the respiratory tract.
- slumpflationary — of or relating to slumpflation
- sociocentricity — socially oriented.
- sons of liberty — any of several patriotic societies, originally secret, that opposed the Stamp Act and thereafter supported moves for American independence.
- soul-destroying — Activities or situations that are soul-destroying make you depressed, because they are boring or because there is no hope of improvement.
- spiny cocklebur — a cocklebur, Xanthium spinosum, introduced into North America from Europe.
- squirrel monkey — either of two small, long-tailed monkeys, Saimiri oerstedii of Central America and S. sciureus of South America, having a small white face with black muzzle and gold, brown, or greenish fur: S. oerstedii is endangered.
- stationary wave — standing wave.