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

  • observatories — Plural form of observatory.
  • obstetrically — (medicine) In terms of obstetrics.
  • obstetricians — Plural form of obstetrician.
  • 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.
  • orbital index — the ratio of the maximum breadth to the maximum height of the orbital cavity multiplied by 100.
  • overambitious — having ambition; eagerly desirous of achieving or obtaining success, power, wealth, a specific goal, etc.: ambitious students.
  • overbreathing — hyperventilation
  • overexcitable — Excessively excitable.
  • 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.
  • 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
  • partitionable — a division into or distribution in portions or shares.
  • path-breaking — very original; ground-breaking
  • 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
  • perishability — subject to decay, ruin, or destruction: perishable fruits and vegetables.
  • 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.
  • pre-establish — to establish, set up, set out, arrange or make secure in advance or previously
  • 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
  • preferability — more desirable.
  • 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.
  • private brand — a product marketed under a private label.
  • private label — the label of a product, or the product itself, sold under the name of a wholesaler or retailer, by special arrangement with the manufacturer or producer.
  • problematical — of the nature of a problem; doubtful; uncertain; questionable.
  • proverbialist — a person who composes, records or uses proverbial expressions
  • quarantinable — Subject to quarantine; under quarantine.
  • rabbit warren — warren.
  • rabbit-killer — a rabbit punch.
  • ratbite fever — either of two relapsing febrile diseases, widely distributed geographically, caused by infection with Streptobacillus moniliformis or Spirillum minor and transmitted by rats.
  • rattlebrained — foolish; flighty; scatterbrained.
  • re-absorption — resorption (def 2).
  • reality-based — (especially of television) portraying or alleging to portray events as they actually happened.
  • realizability — the ability of something to be realized
  • reasonability — agreeable to reason or sound judgment; logical: a reasonable choice for chairman.
  • reattribution — the act of attributing; ascription.
  • rebarbatively — in a rebarbative manner
  • 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.
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