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14-letter words containing r, a, y, c

  • propyl alcohol — a colorless, water-soluble liquid, C 3 H 8 O, used chiefly in organic synthesis and as a solvent.
  • prosthetically — a device, either external or implanted, that substitutes for or supplements a missing or defective part of the body.
  • protectability — to defend or guard from attack, invasion, loss, annoyance, insult, etc.; cover or shield from injury or danger.
  • protocol layer — (networking)   The software and/or hardware environment of two or more communications devices or computers in which a particular network protocol operates. A network connection may be thought of as a set of more or less independent protocols, each in a different layer or level. The lowest layer governs direct host-to-host communication between the hardware at different hosts; the highest consists of user application programs. Each layer uses the layer beneath it and provides a service for the layer above. Each networking component hardware or software on one host uses protocols appropriate to its layer to communicate with the corresponding component (its "peer") on another host. Such layered protocols are sometimes known as peer-to-peer protocols. The advantages of layered protocols is that the methods of passing information from one layer to another are specified clearly as part of the protocol suite, and changes within a protocol layer are prevented from affecting the other layers. This greatly simplifies the task of designing and maintaining communication systems. Examples of layered protocols are TCP/IP's five layer protocol stack and the OSI seven layer model.
  • prototypically — in a prototypical manner
  • psychographics — the use of demographics to determine the attitudes and tastes of a particular segment of a population, as in marketing studies.
  • pterylographic — relating to pterylography
  • public gallery — the gallery in a chamber of Parliament reserved for members of the public who wish to listen to the proceedings
  • public library — a nonprofit library established for the use of the general public and maintained chiefly by public funds.
  • pure democracy — a form of democracy in which the laws and policies are made directly by the citizens rather than by representatives.
  • pyjama cricket — one-day cricket, in which the players wear colourful clothing rather than the traditional whites used in longer forms of the game
  • pyramid scheme — pyramid (def 8).
  • pyrotechnician — a specialist in the origin of fires, their nature and control, etc.
  • quadrisyllabic — a word or poetic meter with four syllables
  • quality circle — a group of workers performing similar duties who meet periodically to discuss work-related problems, offer suggestions for improved production or product quality, etc.
  • quality factor — a property of ionizing radiations that affects their ability to cause biological effects. For weakly ionizing radiations such as gamma rays it has value 1 whilst for alpha rays it is about 20
  • quartz crystal — a thin plate or rod cut in certain directions from a piece of piezoelectric quartz and accurately ground so that it vibrates at a particular frequency
  • racing bicycle — a bicycle designed for cycling on roads or taking part in road cycling races
  • racing cyclist — a cyclist who takes part in bicycle races
  • radiochemistry — the chemical study of radioactive elements, both natural and artificial, and their use in the study of chemical processes.
  • radiofrequency — the frequency of the transmitting waves of a given radio message or broadcast.
  • radiologically — of or relating to radiology.
  • railway police — the branch of the police force specializing in maintaining law and order and detecting crime on the railways
  • rambunctiously — difficult to control or handle; wildly boisterous: a rambunctious child.
  • raspberry cane — a long thin stalk on which raspberries grow
  • ready reckoner — reckoner (def 2).
  • recommendatory — serving to recommend; recommending.
  • recompensatory — serving to compensate, as for loss, lack, or injury.
  • reconciliatory — tending to reconcile.
  • record company — business: sells recorded music
  • record library — a collection of records belonging to an individual or an organization, for people to borrow usually without payment
  • recoverability — able to recover or be recovered: a patient now believed to be recoverable; recoverable losses on his investments.
  • recreationally — of or relating to recreation: recreational facilities in the park.
  • rectifiability — the quality or state of being rectifiable
  • rectilinearity — the state or quality of being rectilinear
  • recycled paper — paper made from recycled materials, esp waste paper
  • redundancy pay — severance pay.
  • reflectography — a non-destructive technique which uses infrared light to see beneath the painted surface in works of art in order to obtain information about those artworks
  • relocatability — constructed so as to be movable; portable, prefabricated, or modular: relocatable classroom units.
  • replaceability — to assume the former role, position, or function of; substitute for (a person or thing): Electricity has replaced gas in lighting.
  • respectability — the state or quality of being respectable.
  • retractability — to withdraw (a statement, opinion, etc.) as inaccurate or unjustified, especially formally or explicitly; take back.
  • rhyparographic — of or relating to rhyparography
  • richard scarry — Richard McClure, 1919–94, U.S. author and illustrator of children's books.
  • richard tawney — Richard Henry, 1880–1962, English historian, born in Calcutta.
  • royal canadian — in the service of the Canadian federal government and the British monarch: Royal Canadian Air Force; Royal Canadian Mounted Police.
  • royal coachman — a type of artificial fly, used chiefly for trout and salmon.
  • 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.
  • saccharomycete — a single-celled yeast of the family Saccharomycetaceae, having no mycelium.
  • sacramentality — of, relating to, or of the nature of a sacrament, especially the sacrament of the Eucharist.
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