16-letter words containing p, r, o, b, n
- 8 queens problem — eight queens puzzle
- ability grouping — a system whereby students are separated into different groups or classes according to test scores or relative scholastic ability, as to assure that gifted students are not inhibited by slower learners.
- anti-prohibition — the act of prohibiting.
- approachableness — capable of being approached; accessible.
- 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.
- background paper — a report or other piece of writing that is intended to provide contextual and historical information that will help people understand a particular topic or situation
- bacterioplankton — (biology) The bacterial component of marine plankton.
- balance of power — The balance of power is the way in which power is distributed between rival groups or countries.
- 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
- bargaining power — the ability of a person, group, or organization to exert influence over another party in a negotiation in order to achieve a deal which is favourable to themselves
- bargaining scope — the range of topics within the scope of a particular set of negotiations leading to a collective agreement
- basque provinces — an autonomous region of N Spain, comprising the provinces of Álava, Guipúzcoa, and Vizcaya: inhabited mainly by Basques, who retained virtual autonomy from the 9th to the 19th century. Pop: 1 840 700 (2003 est). Area: about 7250 sq km (2800 sq miles)
- 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
- 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.
- benzoyl peroxide — a white, crystalline, water-insoluble, explosive solid, C 7 H 5 O 4 , used chiefly as a bleaching agent for flour, fats, oils, and waxes, and as a catalyst in polymerization reactions.
- 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
- black propaganda — propaganda that does not come from the source it claims to come from
- bleaching powder — a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H2O. It is used in solution as a bleaching agent and disinfectant
- 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.
- board of pardons — an agency that determines which prisoners are to be released on parole or discretionary mandatory supervision and recommends pardons
- boolean-operator — any operation in which each of the operands and the result take one of two values.
- 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
- brain aid prolog — (language) (BAP) A parallel Prolog environment for transputer systems by Frank Bergmann <[email protected]>, Martin Ostermann <[email protected]>, and Guido von Walter <[email protected]> of Brain Aid Systems GbR. BAP is based on a model of communicating sequential Prolog processes. The run-time system consists of a multi-process operating system with support for several applications running concurrently.
- 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
- brompton mixture — a mixture of narcotics, tranquilizers, and alcohol, used to kill pain for terminally ill patients
- bronchopneumonia — inflammation of the lungs, originating in the bronchioles
- 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 operation — an operation involving redirection of blood flow, either to avoid a diseased blood vessel or in order to perform heart surgery
- carbon footprint — Your carbon footprint is a measure of the amount of carbon dioxide released into the atmosphere by your activities over a particular period.
- carbonless paper — a sheet of paper impregnated with dye which transfers writing or typing onto the copying surface below without the necessity for carbon pigment
- cerebellopontine — (anatomy) Relating to the cerebellum and pons.
- chernobyl packet — (networking) /cher-noh'b*l pak'*t/ A network packet that induces a broadcast storm and/or network meltdown, named in memory of the April 1986 nuclear accident at Chernobyl in Ukraine. The typical scenario involves an IP Ethernet datagram that passes through a gateway with both source and destination Ethernet address and IP address set as the respective broadcast addresses for the subnetworks being gated between. Compare Christmas tree packet.
- composite number — a positive integer that can be factorized into two or more other positive integers
- cooperative bank — a cooperative savings institution, chartered and regulated by a state or the federal government, that receives deposits in exchange for shares of ownership and invests its funds chiefly in loans secured by first mortgages on homes.
- cops and robbers — a children's game in which a group of players imitate the behavior of police and of thieves, as in pursuing and capturing.
- cops-and-robbers — A cops-and-robbers film, television programme, or book is one whose story involves the police trying to catch criminals.
- cuban royal palm — a feather palm, Roystonea regia, of tropical America, having a trunk that is swollen in the middle, drooping leaves from 10 to 15 feet (3 to 5 meters) long, and small, round fruit.
- decision problem — (theory) A problem with a yes/no answer. Determining whether some potential solution to a question is actually a solution or not. E.g. "Is 43669" a prime number?". This is in contrast to a "search problem" which must find a solution from scratch, e.g. "What is the millionth prime number?". See decidability.
- dichlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing two chlorine atoms.
- double precision — using twice the normal amount of storage, as two words rather than one, to represent a number.
- drinking problem — If someone is said to have a drink problem, they are thought to drink too much alcohol
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