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14-letter words containing o, p, e, r

  • proto-germanic — the unattested prehistoric parent language of the Germanic languages; Germanic.
  • proto-oncogene — a normally present gene that appears to have a role in the regulation of normal cell growth, but that is converted to an oncogene by mutation.
  • 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.
  • protocontinent — an actual or hypothetical landmass that might later be enlarged into a major continent or broken up into smaller ones.
  • protogeometric — pertaining to or designating a style of vase painting developed in Greece chiefly during the 10th century b.c. and characterized by use of abstract geometrical motifs.
  • protoplanetary — of or relating to protoplanets
  • protopresbyter — a title given to distinguished priests.
  • proventriculus — the glandular portion of the stomach of birds, in which food is partially digested before passing to the ventriculus or gizzard.
  • provident club — a hire-purchase system offered by some large retail organizations
  • providentially — of, relating to, or resulting from divine providence: providential care.
  • provincialised — to make provincial in character.
  • proximity fuse — an electronically triggered device designed to detonate an explosive charge in a missile, etc, at a predetermined distance from the target
  • proximity fuze — a design for detonating a charge, as in a projectile, within a predesignated radius of a target.
  • proxy marriage — a marriage performed between one of the two contracting parties and a proxy who has been authorized to represent the other.
  • pseudo-archaic — marked by the characteristics of an earlier period; antiquated: an archaic manner; an archaic notion.
  • pseudo-generic — of, applicable to, or referring to all the members of a genus, class, group, or kind; general.
  • pseudo-liberal — favorable to progress or reform, as in political or religious affairs.
  • pseudodipteral — having an arrangement of columns suggesting a dipteral structure but without the inner colonnade.
  • pseudomembrane — a tough outer layer found on the surface of the mucous membrane or skin
  • pseudomorphism — an irregular or unclassifiable form.
  • pseudopregnant — relating to the state of pseudopregnancy
  • pseudoprostyle — having a colonnade at each end, either very close to the front wall or engaged in it.
  • pseudoscorpion — any of several small arachnids of the order Chelonethida that resemble a tailless scorpion and that feed chiefly on small insects.
  • pseudosymmetry — an apparent symmetry different from that appropriate to a crystal of a given mineral.
  • psychoneurosis — neurosis (def 1).
  • pteridophilist — a person who shows an excessive enthusiam for ferns
  • pterylographic — relating to pterylography
  • public officer — a person appointed or elected to a governmental post.
  • puerto barrios — a seaport in E Guatemala.
  • puerto cabello — a seaport in N Venezuela.
  • puertorriqueno — a native or inhabitant of Puerto Rico.
  • pulmonary tree — the trachea, bronchi, and bronchioles of the lungs, which together resemble an upside-down tree.
  • pulmonary vein — a vein conveying oxygenated blood from the lungs to the left atrium of the heart.
  • pumice country — volcanic farmland in the North Island
  • pumped storage — a system for generating hydroelectric power for peak periods by pumping water from a lower to a higher reservoir during low-demand periods and then releasing it during peak periods.
  • punch operator — a person who enters data into cards by means of punching holes
  • puncture wound — injury: perforation
  • purchase order — document requesting to buy sth
  • pure democracy — a form of democracy in which the laws and policies are made directly by the citizens rather than by representatives.
  • purple boneset — joe-pye weed (def 1).
  • purple emperor — any of several Old World nymphalid butterflies of the genus Apatura, esp A. iris, having mottled purple-and-brown wings
  • purple passion — a variety of the velvet plant, Gynura aurantiaca, having trailing stems and leaves densely covered with purple hairs, grown as a houseplant.
  • purposefulness — having a purpose.
  • put it over on — to deceive; trick
  • put one across — to get (someone) to accept or believe a claim, excuse, etc, by deception
  • put the arm on — the upper limb of the human body, especially the part extending from the shoulder to the wrist.
  • pyelonephritic — of or relating to an inflammation of the pelvis and renal parenchyma
  • pyelonephritis — inflammation of the kidney and its pelvis, caused by a bacterial infection.
  • pyelonephrosis — any disease of the kidney and its pelvis.
  • pygmy marmoset — a related form, Cebuella pygmaea: the smallest monkey, inhabiting tropical forests of the Amazon
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