17-letter words containing o, r, p, h, a
- proof of purchase — a document, such as a receipt, etc, that proves that you have purchased or bought something
- proof-of-purchase — a sales slip, label, box top, or other item associated with a product that is presentable as evidence of actual purchase, as for claiming a refund or rebate.
- prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
- prusso-danish war — a war of 1864 between Prussia and Denmark by which Denmark lost Schleswig-Holstein.
- pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- psychographically — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- psychoprophylaxis — Lamaze method.
- psychotherapeutic — psychotherapy.
- pull your head in — be quiet!
- purple shore crab — any of numerous crabs that live along the shoreline between the tidemarks, as Hemigrapsus nudus (purple shore crab) of the Pacific coast of North America.
- put on the market — offer for sale
- pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
- radiation therapy — x-rays used as treatment
- radio in the loop — Wireless Local Loop
- radiometeorograph — a device for the automatic transmission by radio of the data from a set of meteorological instruments
- rehospitalization — the act, process, or state of being hospitalized.
- repertory theater — repertory (def 2).
- republic of china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
- reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
- roll with a punch — to move in the same direction as a punch thrown at one so as to lessen its force
- rough puff pastry — a rich flaky pastry made with butter and used for pie-crusts, flans, etc
- saint christopher — Saint, died a.d. c250, Christian martyr.
- san pedro channel — a strait between the mainland of SW California and Santa Catalina Island. About 20 miles (32 km) wide.
- school playground — school's outdoor recreation area
- scrophulariaceous — belonging to the Scrophulariaceae, the figwort family of plants.
- semi-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
- shetland pullover — a thick woollen sweater made from Shetland wool
- shooting practice — practice in shooting for soldiers or other people who shoot guns
- shortcrust pastry — a basic type of pastry that is made with half the quantity of fat to flour, and has a crisp but crumbly texture
- slap on the wrist — a sharp blow or smack, especially with the open hand or with something flat.
- southampton water — an inlet of the English Channel in S England
- southern sporades — a group of Greek islands in the Aegean, including the Dodecanese, lying off the SW coast of Turkey
- spark photography — photography of fast-moving objects, as bullets, by the light of an electric spark.
- spectroheliograph — an apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light.
- spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
- spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
- spongy parenchyma — the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.
- stereolithography — a process for creating three-dimensional objects using a computer-controlled laser to build up the required structure, layer by layer, from a liquid photopolymer that solidifies.
- stereophotography — photography producing stereoscopic images.
- sulfurated potash — a yellowish-brown mixture consisting mainly of potassium polysulfides and potassium thiosulfate, used in treating mange.
- support mechanism — any formal system or method of providing support or assistance
- swash plate motor — a collar or face plate on a shaft that is inclined at an oblique angle to the axis of rotation and converts reciprocating motion to rotation
- technical support — an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
- the electoral map — a map showing the distribution of constituencies over a country
- the lord's prayer — the, the prayer given by Jesus to His disciples, and beginning with the words Our Father. Matt. 6:9–13; Luke 11:2–4.
- the metamorphosis — a short story (1915) by Franz Kafka.