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13-letter words containing a, p, r, o, i, b

  • hypobranchial — situated below the gills or beneath the branchial arches.
  • imponderables — Plural form of imponderable.
  • improbability — the quality or condition of being improbable; unlikelihood.
  • improvability — to bring into a more desirable or excellent condition: He took vitamins to improve his health.
  • incorruptable — Misspelling of incorruptible.
  • insupportable — not endurable; unbearable; insufferable: insupportable pain.
  • insupportably — In an insupportable manner.
  • interoperable — capable of being used or operated reciprocally: interoperable weapons systems.
  • interoperably — capable of being used or operated reciprocally: interoperable weapons systems.
  • malabsorption — faulty absorption of nutritive material from the intestine.
  • mephobarbital — The drug methylphenobarbital.
  • nonabsorptive — Not absorptive.
  • nonperishable — not subject to rapid deterioration or decay: A supply of nonperishable food was kept for emergencies.
  • nonprofitable — Not profitable; not making profit.
  • notary public — a public officer or other person authorized to authenticate contracts, acknowledge deeds, take affidavits, protest bills of exchange, take depositions, etc.
  • onus probandi — the burden of proof.
  • 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 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.
  • ora pro nobis — a Latin invocation meaning pray for us
  • ornithophobia — Fear of birds.
  • paleosiberian — a group of languages comprising those languages of Siberia that are not affiliated with Indo-European, Altaic, Uralic, or Eskimo-Aleut and including the Chukotian family and the unrelated language isolates Ket, Nivkh, and Yukaghir; Paleo-Asiatic.
  • parabolically — of, relating to, or involving a parable.
  • parasymbiosis — the symbiotic relationship that occurs between certain species of fungi and lichens (which are themselves symbiotic associations between a fungus and an alga)
  • 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.
  • parking orbit — a temporary orbit in which a spacecraft awaits the next phase of its mission.
  • parrot's-bill — a showy, vinelike plant, Clianthus puniceus, of New Zealand, having clusters of eight white-streaked, crimson flowers.
  • 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.
  • perboric acid — a hypothetical acid, HBO 3 , known only in the form of its salts.
  • perditionable — deserving perdition or damnation
  • 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.
  • phlebographic — relating to phlebography or the X-ray imaging of a vein that has been injected with a dye that is visible on the image taken
  • pigeon breast — chicken breast.
  • pine grosbeak — a large grosbeak, Pinicola enucleator, of coniferous forests of northern North America and Eurasia, the male of which has rose and gray plumage.
  • polyribosomal — relating to a polyribosome
  • 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.
  • pouring-basin — (in a vacuum induction furnace) a trough through which molten metal flows under vacuum to a mold chamber.
  • pre-columbian — of or relating to the Americas before the arrival of Columbus: pre-Columbian art; pre-Columbian Indians.
  • prebasic molt — the molt by which most birds replace all of their feathers, usually occurring annually after the breeding season.
  • prebiological — of or relating to chemicals or environmental conditions existing before the development of the first living things.
  • prefabricator — someone who or an organization that prefabricates
  • principal boy — the leading male role in a pantomime, played by a woman
  • pro-abolition — the act of abolishing: the abolition of war.
  • probabilistic — Statistics. of or relating to probability: probabilistic forecasting.
  • problematical — of the nature of a problem; doubtful; uncertain; questionable.
  • profitability — yielding profit; remunerative: a profitable deal.
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