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14-letter words containing a, t, r, o, p

  • rogue elephant — a vicious elephant that has been exiled from the herd.
  • roller caption — caption lettering that moves progressively up or across the picture, as for showing the credits at the end of a programme
  • roman alphabet — Latin alphabet.
  • röntgenography — radiography
  • rotary printer — a machine for printing from a revolving cylinder, or a plate attached to one, usually onto a continuous strip of paper
  • route flapping — flapping router
  • rsa encryption — (cryptography, algorithm)   A public-key cryptosystem for both encryption and authentication, invented in 1977 by Ron Rivest, Adi Shamir, and Leonard Adleman. Its name comes from their initials. The RSA algorithm works as follows. Take two large prime numbers, p and q, and find their product n = pq; n is called the modulus. Choose a number, e, less than n and relatively prime to (p-1)(q-1), and find its reciprocal mod (p-1)(q-1), and call this d. Thus ed = 1 mod (p-1)(q-1); e and d are called the public and private exponents, respectively. The public key is the pair (n, e); the private key is d. The factors p and q must be kept secret, or destroyed. It is difficult (presumably) to obtain the private key d from the public key (n, e). If one could factor n into p and q, however, then one could obtain the private key d. Thus the entire security of RSA depends on the difficulty of factoring; an easy method for factoring products of large prime numbers would break RSA.
  • salt dome trap — A salt dome trap is an area where oil has been trapped underground by salt pushing upward.
  • sauropterygian — any of various Mesozoic marine reptiles of the superorder Sauropterygia, including the suborder Plesiosauria.
  • scalar product — inner product (def 1).
  • scrape through — only just succeed
  • self-important — having or showing an exaggerated opinion of one's own importance; pompously conceited or haughty.
  • self-operating — automatic.
  • self-operative — automatic.
  • senior partner — high-ranking firm partner
  • sharptail mola — a fish, Masturus lanceolatus, related to the ocean sunfish but having a pointed tail.
  • sheepdog trial — a competition in which sheepdogs are tested in their tasks
  • shooting party — a social gathering when people shoot game together
  • shortleaf pine — a pine, Pinus echinata, of the southern U.S., having short, flexible leaves.
  • shoulder patch — a cloth emblem worn on the upper part of a sleeve of a uniform typically as identification of the organization to which the wearer is assigned.
  • shoulder strap — a strap worn over the shoulder, as to support a garment.
  • singular point — a point at which a given function of a complex variable has no derivative but of which every neighborhood contains points at which the function has derivatives.
  • siphonapterous — belonging or pertaining to the insect order Siphonaptera, comprising the fleas.
  • soapbox orator — a person who makes a speech on, or as if on, a soapbox
  • social chapter — The social chapter is an agreement between countries in the European Union concerning workers' rights and working conditions.
  • south portland — a city in SW Maine.
  • space platform — space station.
  • spanish burton — any of several tackles employing a runner in addition to the fall.
  • spatiotemporal — pertaining to space-time.
  • spectator pump — a woman's spectator shoe, closed at the front and back, usually having a medium or medium-high heel.
  • spectra yellow — a vivid yellow color.
  • spectrological — relating to spectres or spectrology
  • spermatic cord — the cord by which a testis is suspended in the scrotum, containing the vas deferens and the blood vessels and nerves of the testis.
  • spermatogenous — producing spermatozoa.
  • spermatogonium — one of the undifferentiated germ cells giving rise to spermatocytes.
  • spermatorrhoea — abnormally frequent and involuntary nonorgasmic emission of semen.
  • spermatothecae — a female reproductive organ in some insects
  • sphaerocrystal — a spherical crystalline mass
  • spider phaeton — (formerly) a light horse-drawn carriage with a high body and large slender wheels
  • spinthariscope — an instrument that detects ionizing radiation by picking up sparks of light from alpha particles.
  • spirit compass — a wet compass filled with a mixture of alcohol and water.
  • spirochaetosis — a disease caused by infection with a spirochete.
  • spironolactone — a steroid, C 2 4 H 3 2 O 4 S, used in combination with other drugs as a diuretic and antihypertensive.
  • spitting cobra — any cobra or cobralike snake, especially the ringhals, that sprays venom at the eyes of approaching animals.
  • splatter movie — a film containing many scenes of violent and gruesome murders.
  • sportfisherman — a motorboat fitted out for sportfishing.
  • sports stadium — an arena where sports are played
  • spotted laurel — an evergreen cornaceous shrub, Aucuba japonica, of S and SE Asia, the female of which has yellow-spotted leaves
  • st. louis park — a city in E Minnesota, near Minneapolis.
  • staff corporal — a noncommissioned rank in the British Army above that of staff sergeant and below that of warrant officer
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