15-letter words containing a, i, r, s, t
- prognosticators — to forecast or predict (something future) from present indications or signs; prophesy.
- propositionally — the act of offering or suggesting something to be considered, accepted, adopted, or done.
- protospatharius — (of the Byzantine empire) a high-ranking official in the imperial guard
- proximity talks — a diplomatic process whereby an impartial representative acts as go-between for two opposing parties who are willing to attend the same conference but unwilling to meet face to face
- 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
- pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
- psychiatrically — the practice or science of diagnosing and treating mental disorders.
- psychogeriatric — the psychology of old age.
- 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.
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- 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.
- quarterfinalist — a participant in a quarterfinal contest.
- quartermistress — the female equivalent of a quartermaster
- quasi-permanent — existing perpetually; everlasting, especially without significant change.
- quasihistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- question master — quizmaster.
- quincentenaries — Plural form of quincentenary.
- 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.
- radial symmetry — a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis, characteristic of sessile and bottom-dwelling animals, as the sea anemone and starfish.
- radio astronomy — the branch of astronomy that utilizes extraterrestrial radiation in radio wavelengths rather than visible light for the study of the universe.
- radio broadcast — sth transmitted via radio signal
- 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.
- 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
- raise the devil — Theology. (sometimes initial capital letter) the supreme spirit of evil; Satan. a subordinate evil spirit at enmity with God, and having power to afflict humans both with bodily disease and with spiritual corruption.
- ramrod straight — having a very straight figure
- raster graphics — (graphics) Computer graphics in which an image is composed of an array of pixels arranged in rows and columns. Opposite: vector graphics.
- rat-tail cactus — a cactus, Aporocactus flagelliformis, of Mexico, having slim, cylindrical stems that are easily trained into strange designs, and crimson flowers.
- ratafia biscuit — a macaroon.
- re-presentation — the act of representing.
- readvertisement — the act or process of advertising something again
- reafforestation — replanting with trees
- reality testing — the objective evaluation of situations, defective in certain psychoses, that enable one to distinguish between the external and the internal worlds and between the self and the nonself.
- 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.
- registered mail — prepaid first-class mail that has been recorded at a post office prior to delivery for safeguarding against loss, theft, or damage during transmission.
- registered name — the official or trademark name of something such as a product or company
- regulatory risk — a risk to which private companies are subject, arising from the possibility of legislation or regulations that will affect business being adopted by a government