15-letter words containing r, d, o, s
- pamprodactylous — having all four toes directed forward, as in swifts and colies.
- panzer division — an armored division of the German army, especially in World War II, consisting chiefly of tanks and organized for making rapid attacks.
- paradise flower — a prickly vine, Solanum wendlandii, of the nightshade family, native to Costa Rica, having branched clusters of showy lilac-blue flowers.
- passport holder — a person who has a passport
- pastel-coloured — pale-coloured; in a shade such as pink or pale blue
- periodic system — a system of classification of the elements based on the periodic law.
- personal friend — a person who is a friend, rather than a colleague or acquaintance
- phosphoric acid — any of three acids, orthophosphoric acid, H 3 PO 4 , metaphosphoric acid, HPO 3 , or pyrophosphoric acid, H 4 P 2 O 7 , derived from phosphorus pentoxide, P 2 O 5 , and various amounts of water.
- piero di cosimo — Piero di [pee-air-oh di;; Italian pye-raw dee] /piˈɛər oʊ dɪ;; Italian ˈpyɛ rɔ di/ (Show IPA), Piero di Cosimo.
- polish corridor — a strip of land near the mouth of the Vistula River: formerly separated Germany from East Prussia; given to Poland in the Treaty of Versailles 1919 to provide it with access to the Baltic.
- polyunsaturated — of or noting a class of animal or vegetable fats, especially plant oils, whose molecules consist of carbon chains with many double bonds unsaturated by hydrogen atoms and that are associated with a low cholesterol content of the blood.
- post-depression — the act of depressing.
- post-industrial — of, relating to, or characteristic of an era following industrialization: The economy of the postindustrial society is based on the provision of services rather than on the manufacture of goods.
- post-production — In film and television, post-production is the work such as editing that takes place after the film has been shot.
- post-tridentine — of or relating to the city of Trent.
- postdivestiture — taking place after divestiture
- posthole digger — a tool or device for digging a posthole.
- postirradiation — occurring after or due to irradiation
- potash feldspar — any of the feldspar minerals having the composition KAlSi 3 O 8 , as orthoclase.
- pound one's ear — to sleep
- power save mode — (architecture) A feature of a component or subsystem designed to actively reduce its power consumption when not in use. Almost any electronic device might benefit from having a power save mode but the most common application is for portable computers which attempt to conserve battery life by incorporating power saving modes in the CPU, display, disks, printer, or other units.
- preferred stock — stock that has a superior claim to that of common stock with respect to dividends and often to assets in the event of liquidation.
- prestidigitator — sleight of hand; legerdemain.
- primordial soup — the seas and atmosphere as they existed on earth before the existence of life, consisting primarily of an oxygen-free gaseous mixture containing chiefly water, hydrogen, methane, ammonia, and carbon dioxide.
- private soldier — A private soldier is a soldier of the lowest rank in an army or the marines.
- processed foods — foods that have been treated or prepared by a special method, esp in order to preserve them
- procrustean bed — a plan or scheme to produce uniformity or conformity by arbitrary or violent methods.
- profit and loss — the gain and loss arising from commercial or other transactions, applied especially to an account or statement of account in bookkeeping showing gains and losses in business.
- pseudepigraphon — any book of the Pseudepigrapha
- 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
- pseudoephedrine — a dextrorotatory, isomeric compound, C 1 0 H 1 5 NO, used as a nasal decongestant.
- pseudonephritis — a condition, thought to be benign, in which microscopic amounts of blood and protein are present in the urine, occurring commonly among athletes after strenuous exercise.
- pseudoparalysis — the inability to move a part of the body owing to factors, as pain, other than those causing actual paralysis.
- pseudopregnancy — Pathology, Veterinary Pathology. false pregnancy.
- pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
- pulchritudinous — physically beautiful; comely.
- question period — a period of time set aside each day for members of parliament to question government ministers
- 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.
- radar telescope — (in radar astronomy) a very large radar antenna used to study planetary bodies in the solar system.
- 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 sono-buoy — a buoy equipped to detect underwater noises and transmit them by radio
- 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.
- radiophosphorus — phosphorus 32.
- radiosensitizer — a substance, as a drug, that enhances the sensitivity of tissues or cells to radiation therapy.