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15-letter words containing p, r, o, d

  • rod pumped well — A rod pumped well is a well with a nodding donkey to remove fluid mechanically.
  • room-and-pillar — noting a means of extracting coal or other minerals from underground deposits by first cutting out rooms, then robbing the pillars between them; pillar-and-breast.
  • ross dependency — a territory in Antarctica, including Ross Island, the coasts along the Ross Sea, and adjacent islands: a dependency of New Zealand. About 175,000 sq. mi. (453,250 sq. km).
  • round-trip time — (RTT) A measure of the current delay on a network, found by timing a packet bounced off some remote host. This can be done with ping -s.
  • sale of produce — the selling of something that is produced, esp agricultural products
  • saturated vapor — a vapor whose temperature and pressure are such that any compression of its volume at constant temperature causes it to condense to liquid at a rate sufficient to maintain a constant pressure.
  • scolopendriform — resembling scolopendra
  • scorpion spider — whipscorpion.
  • seafood platter — a plate of assorted seafood, served in a restaurant
  • seaside sparrow — a species of sparrow, Ammospiza maritima, existing in two subspecies, one (Cape Sable seaside sparrow) having dark olive-drab plumage with a lighter breast and underbelly, and the other (dusky seaside sparrow) having bold black and white markings on the breast and underbelly: the dusky seaside sparrow is almost extinct.
  • second republic — the republic established in France in 1848 and replaced by the Second Empire in 1852.
  • secondary group — a group of people with whom one's contacts are detached and impersonal.
  • seidlitz powder — a laxative consisting of two powders, tartaric acid and a mixture of sodium bicarbonate and Rochelle salt (sodium potassium tartrate)
  • self-proclaimed — to announce or declare in an official or formal manner: to proclaim war.
  • self-production — produced by oneself or itself.
  • serendipitously — come upon or found by accident; fortuitous: serendipitous scientific discoveries.
  • shopping arcade — a place where a number of shops are connected together under one roof
  • shoulder weapon — a firearm that is fired while being held in the hands with the butt of the weapon braced against the shoulder.
  • sidereal period — the period of revolution of a body about another with respect to one or more distant stars
  • slide projector — device for showing slides
  • sneezing powder — a powder used to make people sneeze as a practical joke
  • sodium peroxide — a yellowish-white, hygroscopic, water-soluble powder, Na 2 O 2 , used chiefly as a bleaching agent and as an oxidizing agent.
  • spawning ground — a place where fish deposit their eggs for fertilization
  • speech disorder — an inability to produce normal speech
  • speed indicator — an instrument for counting the number of revolutions of a gasoline engine.
  • sphaerosiderite — a type of siderite
  • spheroidization — the conversion of grains into spheroids
  • sports medicine — a field of medicine concerned with the functioning of the human body during physical activity and with the prevention and treatment of athletic injuries.
  • spread the word — make others aware
  • stamping ground — a habitual or favorite haunt.
  • stilpnosiderite — a resinous variety of limonite with a black-brown colour
  • stomping ground — a habitual or favorite haunt.
  • stop-loss order — an order from a customer to a broker to sell a security if the market price drops below a designated level.
  • studhorse poker — stud poker.
  • studio portrait — a photograph of a person taken in a studio
  • styloid process — a long, spinelike process of a bone, especially the projection from the base of the temporal bone.
  • sully-prudhomme — René François Armand [ruh-ney frahn-swa ar-mahn] /rəˈneɪ frɑ̃ˈswa arˈmɑ̃/ (Show IPA), 1839–1907, French poet: Nobel prize 1901.
  • sulphur dioxide — a colourless soluble pungent gas produced by burning sulphur. It is both an oxidizing and a reducing agent and is used in the manufacture of sulphuric acid, the preservation of a wide range of foodstuffs (E220), bleaching, and disinfecting. Formula: SO2
  • sulphurous acid — an unstable acid produced when sulphur dioxide dissolves in water: used as a preservative for food and a bleaching agent. Formula: H2SO3
  • superconfidence — great or extreme confidence, overconfidence
  • superheterodyne — denoting, pertaining to, or using a method of processing received radio or video signals in which an incoming modulated wave is changed by the heterodyne process into a lower-frequency wave and then subjected to amplification and subsequent detection.
  • superordination — Logic. the relation between a universal proposition and a particular proposition of the same quality containing the same terms in the same order.
  • suppressor grid — an electrode placed between the screen grid and anode of a valve. Its negative potential, relative to both screen and anode, prevents secondary electrons from the anode reaching the screen
  • sweep the board — (in gambling) to win all the cards or money
  • talcum (powder) — a powder for the body and face made of powdered, purified talc, usually perfumed
  • the perigordian — the Perigordian culture
  • thermoperiodism — the effect on an organism of rhythmic fluctuations in temperature.
  • threshold price — the highest price a retailer is allowed to sell a particular good at
  • to good purpose — with a good result or effect; advantageously
  • top dead center — Top dead center is the position of an engine's piston when it is at the very top of its stroke.
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