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

  • 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.
  • ora et labora — pray and work
  • orbital index — the ratio of the maximum breadth to the maximum height of the orbital cavity multiplied by 100.
  • out of breath — the air inhaled and exhaled in respiration.
  • over-abstract — thought of apart from concrete realities, specific objects, or actual instances: an abstract idea.
  • over-abundant — an excessive amount or abundance; surfeit: an overabundance of sugar in the diet.
  • overambitious — having ambition; eagerly desirous of achieving or obtaining success, power, wealth, a specific goal, etc.: ambitious students.
  • overbreathing — hyperventilation
  • overelaborate — excessively or fussily elaborate, ornate, detailed, etc.
  • overexcitable — Excessively excitable.
  • overexuberant — effusively and almost uninhibitedly enthusiastic; lavishly abundant: an exuberant welcome for the hero.
  • overnight bag — a travel bag large enough to hold personal articles and clothing for an overnight trip.
  • overstability — the state of being excessively stable
  • 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.
  • 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.
  • prefabricator — someone who or an organization that prefabricates
  • 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.
  • proverbialist — a person who composes, records or uses proverbial expressions
  • quarter-bound — a style of bookbinding in which the spine is leather and the sides are cloth or paper.
  • re-absorption — resorption (def 2).
  • reasonability — agreeable to reason or sound judgment; logical: a reasonable choice for chairman.
  • reattribution — the act of attributing; ascription.
  • recalibration — the act or process of recalibrating something
  • recombination — any of several processes by which genetic material of different origins becomes combined. It most commonly occurs between two sets of parental chromosomes during production of germ cells
  • redial button — a button on a telephone, allowing the user to dial a number again
  • reformability — the extent to which something or someone is reformable; the capability or susceptibility to reform
  • rehabilitator — to restore to a condition of good health, ability to work, or the like.
  • relubrication — to apply some oily or greasy substance to (a machine, parts of a mechanism, etc.) in order to diminish friction; oil or grease (something).
  • republication — publication anew.
  • resublimation — Psychology. the diversion of the energy of a sexual or other biological impulse from its immediate goal to one of a more acceptable social, moral, or aesthetic nature or use.
  • retrofittable — to modify equipment (in airplanes, automobiles, a factory, etc.) that is already in service using parts developed or made available after the time of original manufacture.
  • reverberation — a reechoed sound.
  • reverberatory — characterized or produced by reverberation.
  • rialto bridge — a bridge over the Grand Canal in Venice, Italy, liking Rialto Island with San Marco Island
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