15-letter words containing o, s, n, a
- pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- pseudohexagonal — of, relating to, or having the form of a hexagon.
- pseudopregnancy — Pathology, Veterinary Pathology. false pregnancy.
- 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.
- psychodiagnosis — a psychological examination using psychodiagnostic techniques.
- psychohistorian — a person who writes psychohistory
- pull a fast one — moving or able to move, operate, function, or take effect quickly; quick; swift; rapid: a fast horse; a fast pain reliever; a fast thinker.
- pusillanimously — lacking courage or resolution; cowardly; faint-hearted; timid.
- 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.
- qaboos bin said — born 1940, Sultan of Oman from 1970
- quantifications — Plural form of quantification.
- quarrelsomeness — The quality of being quarrelsome; an argumentative nature. (from 17th c.).
- quarter section — (in surveying and homesteading) a square tract of land, half a mile on each side, thus containing ¼ sq. mi. or 160 acres. Abbreviation: q.s.
- quasi-conscious — aware of one's own existence, sensations, thoughts, surroundings, etc.
- quasi-quotation — a metalinguistic device for referring to the form of an expression containing variables without referring to the symbols for those variables. Thus while "not p" refers to the expression consisting of the word not followed by the letter p, the quasi-quotation ⌈ not p ⌉ refers to the form of any expression consisting of the word not followed by any value of the variable p
- quasi-sovereign — a monarch; a king, queen, or other supreme ruler.
- 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.
- radar astronomy — the branch of astronomy that uses radar to map the surfaces of planetary bodies, as the moon and Venus, and to determine periods of rotation.
- 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-demonstrated — to make evident or establish by arguments or reasoning; prove: to demonstrate a philosophical principle.
- 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.
- recoverableness — the ability to be recovered or chance of being able to recover
- recreationalist — recreationist.
- red sandal wood — the fragrant heartwood of any of certain Asian trees of the genus Santalum, used for ornamental carving and burned as incense.
- 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
- renal corpuscle — Malpighian body (sense 2)
- reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating