16-letter words containing p, r, e, k
- anode dark space — the dark region between the anode glow and the anode in a vacuum tube, occurring when the pressure is low.
- aston dark space — the dark region between the cathode and the cathode glow in a vacuum tube, occurring when the pressure is low.
- 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.
- bankruptcy order — a court order appointing a receiver to manage the property of a debtor or bankrupt
- bashkir republic — a constituent republic of E central Russia, in the S Urals: established as the first Soviet autonomous republic in 1919; rich mineral resources. Capital: Ufa. Pop: 4 012 900 (2002). Area: 143 600 sq km (55 430 sq miles)
- black woodpecker — a large woodpecker, Dryocopus martius, found in parts of Eurasia and Africa
- bouquet larkspur — a plant, Delphinium grandiflorum, of eastern Asia, having blue or whitish flowers and hairy fruit.
- brake horsepower — the rate at which an engine does work, expressed in horsepower. It is measured by the resistance of an applied brake
- 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.
- carpatho-ukraine — a region in W Ukraine: ceded by Czechoslovakia in 1945.
- 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.
- computer network — network
- 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.
- cracked up to be — alleged or believed to be
- cracker capacity — The cracker capacity is the amount of a particular product which a refinery can produce.
- dneprodzerzhinsk — a city in the E central Ukraine, in the SW Russian Federation in Europe, on the Dnieper River.
- downy woodpecker — a small, North American woodpecker, Picoides pubescens, having black and white plumage.
- drinking problem — If someone is said to have a drink problem, they are thought to drink too much alcohol
- drinking-up time — (in Britain) a short time allowed for finishing drinks before closing time in a public house
- educational park — a group of elementary and high schools, usually clustered in a parklike setting and having certain facilities shared by all grades, that often accommodates students from a large area.
- firework display — a public event at which fireworks are set alight
- for pete's sake! — an expression of frustration, exasperation or annoyance
- formation packer — A formation packer is a substance that is used as a seal between the casing and the borehole so that part of the hole can be tested.
- fund supermarket — an online facility offering discounted investment opportunities and advice
- good housekeeper — a person who is an efficient and thrifty domestic manager
- green woodpecker — a woodpecker, Picus viridis, of Eurasia and northern Africa, having green plumage with a yellow rump and red on the top of the head.
- gum up the works — exertion or effort directed to produce or accomplish something; labor; toil.
- hairy woodpecker — a North American woodpecker, Picoides villosus, resembling but larger than the downy woodpecker.
- hard-packed snow — snow which becomes very firmly packed as it becomes refrozen due to cold weather conditions rather than melting
- hopfield network — (artificial intelligence) (Or "Hopfield model") A kind of neural network investigated by John Hopfield in the early 1980s. The Hopfield network has no special input or output neurons (see McCulloch-Pitts), but all are both input and output, and all are connected to all others in both directions (with equal weights in the two directions). Input is applied simultaneously to all neurons which then output to each other and the process continues until a stable state is reached, which represents the network output.
- imperfect market — a market where buyers or sellers can influence the market, and there is a lack of product information
- ink-jet printing — a high-speed typing or printing process in which charged droplets of ink issuing from nozzles are directed onto paper under computer control.
- inter-packet gap — (networking) A time delay between successive data packets mandated by the network standard for protocol reasons. In Ethernet, the medium has to be "silent" (i.e., no data transfer) for a few microseconds before a node can consider the network idle and start to transmit. This is necessary for fairness reasons. The delay time, which approximately equals the signal propagation time on the cable, allows the "silence" to reach the far end so that all nodes consider the net idle.
- keep on a string — to have control or a hold over (someone), esp emotionally
- keep under wraps — not reveal
- kellner eyepiece — a Ramsden eyepiece having an achromatic lens, used in binoculars.
- kepler telescope — astronomical telescope.
- key note speaker — a person who delivers a keynote address.
- khakass republic — a constituent republic of S central Russia, formerly in Krasnoyarsk Territory: formed in 1930. Capital: Abakan. Pop: 546 100 (2002). Area: 61 900 sq km (23 855 sq miles)
- kidney corpuscle — Malpighian corpuscle.
- kleptoparasitism — The parasitic theft of captured prey, nest material, etc. from animals of the same or another species.
- knapsack problem — the problem of determining which numbers from a given collection of numbers have been added together to yield a specific sum: used in cryptography to encipher (and sometimes decipher) messages.
- knitting pattern — a pattern that tells you how to knit a garment or another object
- large-print book — a book where the text is printed in larger text than normal, so as to make it easier to read, esp for the visually impaired
- laurentides park — a national park in SE Canada, in Quebec province between the St. Lawrence and Lake St. John.
- leap in the dark — to spring through the air from one point or position to another; jump: to leap over a ditch.
- make a pitch for — to give verbal support to
- man booker prize — an annual prize for a work of Commonwealth or Irish fiction of £50,000, awarded as the Booker Prize from 1969–2002
- mock turtle soup — a rich, clear soup prepared to resemble green turtle soup, made with a calf's head or other meat, seasonings, and often with wine.
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