20-letter words containing g, a, d, b
- a double-edged sword — If you say that something is a double-edged sword or a two-edged sword, you mean that it has negative effects as well as positive effects.
- absolute undertaking — a legally binding promise to do something that is not restricted or qualified in any way
- aquila degli abruzzi — a city in central Italy, capital of Abruzzi region. Pop: 68 503 (2001)
- background radiation — low-intensity radiation from, for example, small amounts of radioisotopes in soil, air, building materials, etc
- ballet-wrap cardigan — a cardigan with wrapover fronts which are fastened with wraparound ties
- barking and dagenham — a borough of E Greater London. Pop: 165 900 (2003 est). Area: 34 sq km (13 sq miles)
- barred spiral galaxy — a spiral galaxy whose center has the form of an extended bar.
- basic encoding rules — (protocol, standard) (BER) ASN.1 encoding rules for producing self-identifying and self-delimiting transfer syntax for data structures described in ASN.1 notations. BER is an self-identifying and self-delimiting encoding scheme, which means that each data value can be identified, extracted and decoded individually. Huw Rogers once described BER as "a triumph of bloated theory over clean implementation". He also criticises it as designed around bitstreams with arbitrary boundaries between data which can only be determined at a high level. Documents: ITU-T X.690, ISO 8825-1. See also CER, DER, PER.
- belgian shepherd dog — a medium-sized well-proportioned dog of a breed that resembles an Alsatian in appearance and is often used as a sheepdog or a guard dog
- bernese mountain dog — a strong sturdy dog of a breed with a bushy tail and a long silky black coat with reddish-brown and white markings, often used as a working farm dog
- biological diversity — Biological diversity is the same as biodiversity.
- black lung (disease) — a disease of the lungs caused by the inhalation of coal dust; anthracosis
- blending inheritance — the blending of characteristics of the parents in the offspring, as in a pink flower that results from the mating of a red flower with a white one
- blue ridge mountains — a mountain range in the eastern US, extending from West Virginia into Georgia: part of the Appalachian mountains. Highest peak: Mount Mitchell, 2038 m (6684 ft)
- bolometric magnitude — the magnitude of a star derived either from the total energy that it radiates at all wavelengths or from the total energy of those of its wavelengths that are received on earth.
- broadcasting station — a television or radio station
- brown lung (disease) — a chronic disease of the lungs caused by inhalation of fine textile fibers, esp. cotton; byssinosis
- carbohydrate loading — the practice of eating high amounts of carbohydrates, sometimes after a period of low carbohydrate intake, for several days immediately before competing in an athletic event, especially a marathon, in order to store glycogen in the body, thereby providing greater reserves of energy.
- case based reasoning — (artificial intelligence) (CBR) A technique for problem solving which looks for previous examples which are similar to the current problem. This is useful where heuristic knowledge is not available. There are many situations where experts are not happy to be questioned about their knowledge by people who want to write the knowledge in rules, for use in expert systems. In most of these situations, the natural way for an expert to describe his or her knowledge is through examples, stories or cases (which are all basically the same thing). Such an expert will teach trainees about the expertise by apprenticeship, i.e. by giving examples and by asking the trainees to remember them, copy them and adapt them in solving new problems if they describe situations that are similar to the new problems. CBR aims to exploit such knowledge. Some key research areas are efficient indexing, how to define "similarity" between cases and how to use temporal information.
- change-speed gearbox — A change-speed gearbox is a set of movable or constant gears which allows the speed ratio between input and output shafts to be changed either manually or automatically.
- child-abuse register — (in Britain) a list of children deemed to be at risk of abuse or injury from their parents or guardians, compiled and held by a local authority, area health authority, or NSPCC Special Unit
- corrugated cardboard — cardboard usually made of three different layers, the two outer layers having a smooth surface while the central inner layer is corrugated
- demographic timebomb — a predicted shortage of school-leavers and consequently of available workers, caused by an earlier drop in the birth rate, resulting in an older workforce
- drive a hard bargain — be tough negotiator
- drum and bugle corps — a marching band of drum players and buglers.
- every bit as good as — You say that one thing is every bit as good, interesting, or important as another to emphasize that the first thing is just as good, interesting, or important as the second.
- give a wide berth to — to keep clear of; avoid
- go from bad to worse — worsen
- good loser/bad loser — If someone is a good loser, they accept that they have lost a game or contest without complaining. If someone is a bad loser, they hate losing and complain about it.
- greatest lower bound — a lower bound that is greater than or equal to all the lower bounds of a given set: 1 is the greatest lower bound of the set consisting of 1, 2, 3. Abbreviation: glb.
- grey-crowned babbler — an insect-eating Australian bird, Pomatostomus temporalis of the family Timaliidae
- grievous bodily harm — law: serious injury
- hildegard von bingen — Hildegard von (Hildegard of Bingen"Sibyl of the Rhine") 1098–1178, German nun, healer, writer, and composer.
- indistinguishability — The state of being indistinguishable.
- intelligent database — (database) A database management system which performs data validation and processing traditionally done by application programs. Most DBMSs provide some data validation, e.g. rejecting invalid dates or alphabetic data entered into money fields, but often most processing is done by application programs. There is however no limit to the amount of processing that can be done by an intelligent database as long as the process is a standard function for that data. Examples of techniques used to implement intelligent databases are constraints, triggers and stored procedures. Moving processing to the database aids data integrity because it is guaranteed to be consistent across all uses of the data. Mainframe databases have increasingly become more intelligent and personal computer database systems are rapidly following.
- laboratory diagnosis — scientific analysis of a disease
- labour-saving device — a machine, gadget, etc, that reduces (human) effort, hard work or labour
- longitude by account — the longitude of the position of a vessel as estimated by dead reckoning.
- magdeburg hemisphere — one of a pair of hemispherical cups from which air can be evacuated when they are placed together: used to demonstrate the force of air pressure.
- megabytes per second — (unit) (MBps, MB/s) Millions of bytes per second. A unit of data rate. 1 MB/s = 1,000,000 bytes per second (not 1,048,576).
- microwave background — a background of microwave electromagnetic radiation with a black-body spectrum discovered in 1965, understood to be the thermal remnant of the big bang with which the universe began
- neighbourhood warden — a person employed by a local authority to patrol residential areas and deal with antisocial behaviour
- nostalgie de la boue — a desire for or attraction to crudity, vulgarity, depravity, etc.
- on the drawing board — in the planning stage
- order bill of lading — a bill of lading that is issued to the order of a shipper or consignee for delivery of the goods and that can be transferred by endorsement to third parties.
- quantum bogodynamics — /kwon'tm boh"goh-di:-nam"iks/ A theory that characterises the universe in terms of bogon sources (such as politicians, used-car salesmen, TV evangelists, and suits in general), bogon sinks (such as taxpayers and computers), and bogosity potential fields. Bogon absorption causes human beings to behave mindlessly and machines to fail (and may also cause both to emit secondary bogons); however, the precise mechanics of bogon-computron interaction are not yet understood. Quantum bogodynamics is most often invoked to explain the sharp increase in hardware and software failures in the presence of suits; the latter emit bogons, which the former absorb.
- red badge of courage — a novel (1895) by Stephen Crane.
- red-winged blackbird — a North American blackbird, Agelaius phoeniceus, the male of which is black with scarlet patches, usually bordered with buff or yellow, on the bend of the wing.
- rough-legged buzzard — a buzzard, Buteo lagopus, of Europe, Asia, and North America, having feathers covering its legs
- sell a bill of goods — a quantity or consignment of salable items, as an order, shipment, etc.
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