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13-letter words containing a, b, c, t

  • obstetricians — Plural form of obstetrician.
  • octane number — (of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics.
  • octosyllables — Plural form of octosyllable.
  • odontoblastic — Relating to odontoblasts.
  • opisthobranch — any gastropod mollusk of the order Opisthobranchia, as the sea slugs, sea butterflies, and sea hares, characterized by a vestigial or absent mantle and shell and two pairs of tentacles.
  • optical bench — an apparatus, as a special table or rigid beam, for the precise positioning of light sources, screens, and optical instruments used for optical and photometric studies, having a ruled bar to which these devices can be attached and along which they can be readily adjusted.
  • 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.
  • over-abstract — thought of apart from concrete realities, specific objects, or actual instances: an abstract idea.
  • overexcitable — Excessively excitable.
  • particle beam — Physics. a concentrated stream of particles, as electrons, neutrons, or protons, generated for studying particle interactions, nuclear structure, crystal structure, etc.
  • particleboard — a boardlike building material made by compressing sawdust or wood particles with a resin binder
  • pass the buck — Poker. any object in the pot that reminds the winner of some privilege or obligation when his or her turn to deal next comes.
  • peccatophobia — an abnormal fear of sinning.
  • penobscot bay — an inlet of the Atlantic in S Maine. 30 miles (48 km) long.
  • pentasyllabic — a word or line of verse of five syllables.
  • photocopiable — able or legally permitted to be photocopied
  • picnic basket — woven container for carrying food outdoors
  • placentia bay — a bay of the Atlantic Ocean on the SE coast of Newfoundland, Canada, W of the Avalon Peninsula. About 100 miles (160 km) long and 80 miles (129 km) wide.
  • plebification — the act of making popular or vulgar
  • polycarbonate — a synthetic thermoplastic resin, a linear polymer of carbonic acid, used for molded products, films, and nonbreakable windows.
  • post-cambrian — Geology. noting or pertaining to a period of the Paleozoic Era, occurring from 570 million to 500 million years ago, when algae and marine invertebrates were the predominant form of life.
  • pre-celebrate — to observe (a day) or commemorate (an event) with ceremonies or festivities: to celebrate Christmas; to celebrate the success of a new play.
  • prebasic molt — the molt by which most birds replace all of their feathers, usually occurring annually after the breeding season.
  • prefabricated — to fabricate or construct beforehand.
  • prefabricator — someone who or an organization that prefabricates
  • price bracket — a notional range of prices which consumers are prepared to pay for a good
  • prince albert — Carl (Bert) 1908–2000, U.S. politician: Speaker of the House 1971–77.
  • probabilistic — Statistics. of or relating to probability: probabilistic forecasting.
  • probate court — a special court with power over administration of estates of deceased persons, the probate of wills, etc.
  • 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.
  • public health — health services to improve and protect community health, especially sanitation, immunization, and preventive medicine.
  • quarterbacked — Simple past tense and past participle of quarterback.
  • quodlibetical — a subtle or elaborate argument or point of debate, usually on a theological or scholastic subject.
  • recalibration — the act or process of recalibrating something
  • recallability — the quality of being recallable
  • receivability — the fact or condition of being receivable
  • 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
  • recyclability — to treat or process (used or waste materials) so as to make suitable for reuse: recycling paper to save trees.
  • 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).
  • replicability — the quality or state of being replicable
  • republication — publication anew.
  • resectability — the state of being resectable
  • right bracket — (character)   "]". ASCII character 93. Common names: right square bracket; ITU-T: closing bracket; unbracket. Rare: unsquare; INTERCAL: U turn back. Paired with left bracket.
  • robot dancing — a dance of the 1980s characterized by jerky mechanical movements
  • rock the boat — to move or sway to and fro or from side to side.
  • saint columba — Padraic [paw-drik] /ˈpɔ drɪk/ (Show IPA), 1881–1972, Irish poet and dramatist, in the U.S. from 1914.
  • saint-brieucs — a city in and the capital of the Côtes-du-Nord, in W France.
  • san cristobal — a city in SW Venezuela.
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