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13-letter words containing p, e, t, r, b, o

  • lepton number — in a process involving elementary particles, the total number of leptons minus the total number of antileptons.
  • mephobarbital — The drug methylphenobarbital.
  • moebius strip — Möbius strip
  • newport beach — a city in SW California, SE of Los Angeles.
  • non-reputable — held in good repute; honorable; respectable; estimable: a reputable organization.
  • nonabsorptive — Not absorptive.
  • nonprofitable — Not profitable; not making profit.
  • open brethren — one of the two main divisions of the Plymouth Brethren that, in contrast to the Exclusive Brethren, permits contacts with members outside the sect
  • open-timbered — constructed so that the timbers are exposed.
  • optical fiber — optical fibre
  • optical fibre — (communications)   (fibre optics, FO, US "fiber", light pipe) A plastic or glass (silicon dioxide) fibre no thicker than a human hair used to transmit information using infra-red or even visible light as the carrier (usually a laser). The light beam is an electromagnetic signal with a frequency in the range of 10^14 to 10^15 Hertz. Optical fibre is less susceptible to external noise than other transmission media, and is cheaper to make than copper wire, but it is much more difficult to connect. Optical fibres are difficult to tamper with (to monitor or inject data in the middle of a connection), making them appropriate for secure communications. The light beams do not escape from the medium because the material used provides total internal reflection. See also FDDI, Optical Carrier n, SONET.
  • parietal bone — either of a pair of membrane bones forming, by their union at the sagittal suture, part of the sides and top of the skull.
  • parietal lobe — the middle part of each cerebral hemisphere behind the central sulcus.
  • parsons table — a square or rectangular table, often of lightweight material, with straight legs that are square in cross section and of the same thickness as the top extending from the corners flush with the top so as to appear jointless.
  • particleboard — a boardlike building material made by compressing sawdust or wood particles with a resin binder
  • partitionable — a division into or distribution in portions or shares.
  • pentobarbital — a barbiturate, C 1 1 H 1 7 N 2 O 3 , used as a hypnotic and as a sedative.
  • perambulation — to walk through, about, or over; travel through; traverse.
  • perditionable — deserving perdition or damnation
  • personal best — A sports player's personal best is the highest score or fastest time that they have ever achieved.
  • phenobarbital — a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
  • pigeon breast — chicken breast.
  • pleasure boat — recreational vessel
  • polycarbonate — a synthetic thermoplastic resin, a linear polymer of carbonic acid, used for molded products, films, and nonbreakable windows.
  • port colborne — a city in SE Ontario, in S Canada.
  • postbourgeois — (in Marxist thought) belonging to a period of society after the decline of the bourgeoisie
  • postembryonic — occurring after the embryonic phase.
  • postvertebral — of or relating to a vertebra or the vertebrae; spinal.
  • prebasic molt — the molt by which most birds replace all of their feathers, usually occurring annually after the breeding season.
  • precombustion — of or relating to the period immediately before combustion
  • prefabricator — someone who or an organization that prefabricates
  • pro-celebrity — (of a golf tournament, snooker tournament, etc) involving both professional players and celebrities
  • probate court — a special court with power over administration of estates of deceased persons, the probate of wills, etc.
  • problem state — IBM jargon for user mode, the opposite of "supervisor state". On IBM System 360, 370 and 390 mainframes privileged instructions may only be executed in "supervisor state". Application programs request the operating system to perform these operations by using the Supervisor Call (SVC) instruction.
  • problematical — of the nature of a problem; doubtful; uncertain; questionable.
  • process table — (operating system, process)   A table containing all of the information that must be saved when the CPU switches from running one process to another in a multitasking system. The information in the process table allows the suspended process to be restarted at a later time as if it had never been stopped. Every process has an entry in the table. These entries are known as process control blocks and contain the following information: process state - information needed so that the process can be loaded into memory and run, such as the program counter, the stack pointer, and the values of registers. memory state - details of the memory allocation such as pointers to the various memory areas used by the program resource state - information regarding the status of files being used by the process such as user ID. Accounting and scheduling information. An example of a UNIX process table is shown below. SLOT ST PID PGRP UID PRI CPU EVENT NAME FLAGS 0 s 0 0 0 95 0 runout sched load sys 1 s 1 0 0 66 1 u init load 2 s 2 0 0 95 0 10bbdc vhand load sys SLOT is the entry number of the process. ST shows whether the process is paused or sleeping (s), ready to run (r), or running on a CPU (o). PID is the process ID. PGRP is the process Group. UID is the user ID. PRI is the priority of the process from 127 (highest) to 0 (lowest). EVENT is the event on which a process is paused or sleeping. NAME is the name of the process. FLAGS are the process flags. A process that has died but still has an entry in the process table is called a zombie process.
  • prohibitively — serving or tending to prohibit or forbid something.
  • proper subset — a subset that excludes at least one member of the containing set
  • property bond — a bond issued by a life-assurance company, the premiums for which are invested in a property-owning fund
  • proton number — the number of positive charges or protons in the nucleus of an atom of a given element, and therefore also the number of electrons normally surrounding the nucleus. Symbol: Z. Abbreviation: at. no.;
  • proverbialist — a person who composes, records or uses proverbial expressions
  • public sector — the area of the nation's affairs under governmental rather than private control.
  • purpose-built — A purpose-built building has been specially designed and built for a particular use.
  • re-absorption — resorption (def 2).
  • republication — publication anew.
  • spermatoblast — a reproductive cell
  • spiny lobster — any of several edible crustaceans of the family Palinuridae, differing from the true lobsters in having a spiny shell and lacking the large pincers.
  • step aerobics — a set of aerobic exercises designed to improve the cardiovascular system, which consists of stepping on and off a special box of adjustable height
  • subeditorship — the position or office of a subeditor
  • sublime porte — official name of Porte.
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