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16-letter words containing t, r, o, p

  • arthroscopically — By means of arthroscopy.
  • aston dark space — the dark region between the cathode and the cathode glow in a vacuum tube, occurring when the pressure is low.
  • astrophotography — the photography of celestial bodies used in astronomy
  • atmospheric tide — a movement of atmospheric masses caused by the gravitational attraction of the sun and moon and by daily solar heating.
  • attitude problem — a frame of mind perceived by others to be hostile or uncooperative
  • auditory aphasia — aphasia in which there is no comprehension of spoken words; word deafness.
  • australopithecus — an extinct genus of small-brained,large-toothed bipedal hominids that lived in Africa between one and four million years ago.
  • autobiographical — An autobiographical piece of writing relates to events in the life of the person who has written it.
  • autoethnographic — Using ethnographic techniques to describe one's own life, or events in which one is a participant.
  • automatic repeat — a key on the keyboard of a typewriter, computer, etc, which, when depressed continuously, produces the character repeatedly until the key is released
  • autoradiographic — Of or pertaining to an autoradiograph, a radiographic image produced by the decay of a radioactive substance.
  • autostereoscopic — Of or pertaining to autostereoscopy.
  • aversion therapy — a method of suppressing an undesirable habit, such as excessive smoking, by causing the subject to associate an unpleasant effect, such as an electric shock or nausea, with the habit
  • back-propagation — (Or "backpropagation") A learning algorithm for modifying a feed-forward neural network which minimises a continuous "error function" or "objective function." Back-propagation is a "gradient descent" method of training in that it uses gradient information to modify the network weights to decrease the value of the error function on subsequent tests of the inputs. Other gradient-based methods from numerical analysis can be used to train networks more efficiently. Back-propagation makes use of a mathematical trick when the network is simulated on a digital computer, yielding in just two traversals of the network (once forward, and once back) both the difference between the desired and actual output, and the derivatives of this difference with respect to the connection weights.
  • bacterioplankton — (biology) The bacterial component of marine plankton.
  • bankruptcy court — a section of the United States federal court which specializes in the handling of bankruptcy cases
  • bankruptcy order — a court order appointing a receiver to manage the property of a debtor or bankrupt
  • barbecue stopper — a controversial current-affairs issue
  • bastard pointing — an imitation of tuck pointing, having a fillet made from the mortar of the joint.
  • batch processing — manufacturing products or treating materials in batches, by passing the output of one process to subsequent processes
  • batch production — production of goods in batches, rather than continuously
  • bathythermograph — a device for measuring the temperature of the ocean at any specific depth down to c. 1,800 m (c. 5,900 ft)
  • battery-operated — powered, driven, or operated with batteries
  • bayonet practice — drill in the use of a bayonet
  • behavior pattern — a recurrent way of acting by an individual or group toward a given object or in a given situation.
  • behavior therapy — therapy employing behavior modification
  • bermuda palmetto — a palm, Sabal bermudana, of Bermuda, having small, roundish, black fruit and leaves that are checkered beneath.
  • binary operation — a mathematical operation in which two elements are combined to yield a single result: Addition and multiplication are binary operations on the set of real numbers.
  • bird's-nest soup — a rich spicy Chinese soup made from the outer part of the nests of SE Asian swifts of the genus Collocalia
  • blink comparator — an optical instrument used to detect small differences in two photographs of the same field or object by viewing them alternately, switching rapidly from one to the other.
  • boolean-operator — any operation in which each of the operands and the result take one of two values.
  • bootstrap loader — (operating system)   A short program loaded from non-volatile storage and used to bootstrap a computer. On early computers great efforts were expended on making the bootstrap loader short, in order to make it easy to toggle in via the front panel switches. It was just clever enough to read in a slightly more complex program (usually from punched cards or paper tape), to which it handed control. This program in turn read the application or operating system from a magnetic tape drive or disk drive. Thus, in successive steps, the computer "pulled itself up by its bootstraps" to a useful operating state. Nowadays the bootstrap loader is usually found in ROM or EPROM, and reads the first stage in from a fixed location on the disk, called the "boot block". When this program gains control, it is powerful enough to load the actual OS and hand control over to it. A diskless workstation can use bootp to load its OS from the network.
  • bootstrap memory — memory that allows new programs to be entered because some simple preliminary instructions or information are already built in.
  • boston cream pie — a cake of two layers with icing and a creamy filling
  • boston tea party — a raid in 1773 made by citizens of Boston (disguised as Indians) on three British ships in the harbour as a protest against taxes on tea and the monopoly given to the East India Company. The contents of several hundred chests of tea were dumped into the harbour
  • boundary dispute — dispute between neighbours about the boundary between their properties
  • bouquet larkspur — a plant, Delphinium grandiflorum, of eastern Asia, having blue or whitish flowers and hairy fruit.
  • branchiopneustic — breathing by means of gills, as certain aquatic insect larvae.
  • break-even point — When a company reaches break-even point, the money it makes from the sale of goods or services is just enough to cover the cost of supplying those goods or services, but not enough to make a profit.
  • bristlecone pine — a coniferous tree, Pinus aristata, of the western US, bearing cones with bristle-like prickles: one of the longest-lived trees, useful in radiocarbon dating
  • broadloom carpet — any carpet woven on a wide loom and not having seams, especially one wider than 54 inches (137 cm).
  • brompton mixture — a mixture of narcotics, tranquilizers, and alcohol, used to kill pain for terminally ill patients
  • brood parasitism — a type of parasitism in which a bird (brood parasite), as a cowbird or European cuckoo, lays and abandons its eggs in the nest of another species
  • brothel-creepers — soft-soled men's shoes that were originally popular in the 1950s
  • bulletproof vest — a protective garment
  • bumper to bumper — If traffic is bumper to bumper, the vehicles are so close to one another that they are almost touching and are moving very slowly.
  • bumper-to-bumper — marked by a long line of cars moving slowly or with many stops and starts, one behind the other: bumper-to-bumper traffic.
  • burkitt lymphoma — a rare type of tumour of the white blood cells, occurring mainly in Africa and associated with infection by Epstein-Barr virus
  • burnt-tip orchid — a small orchid, Orchis ustulata, resembling the lady orchid, having dark reddish-brown hoods that give a burnt look to the tip of the flower spike
  • bypass capacitor — a capacitor which provides a low-impedance path for alternating current while not passing any direct current
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