21-letter words containing p, b, o
- absorption hygrometer — a hygrometer that uses a hygroscopic chemical to absorb atmospheric moisture.
- acceptable use policy — (networking) (AUP) Rules applied by many transit networks which restrict the use to which the network may be put. A well known example is NSFNet which does not allow commercial use. Enforcement of AUPs varies with the network.
- airborne command post — any of several converted commercial aircraft equipped with special communications and code gear, intended as flying bunkers for the president, secretary of defense, military commanders, or their designated replacements.
- background processing — the ability of a system to perform a low-priority task while, at the same time, dealing with a main application
- background projection — the projection from the rear of previously photographed material on a translucent screen, used as background for a television or motion-picture shot.
- banach-tarski paradox — (mathematics) It is possible to cut a solid ball into finitely many pieces (actually about half a dozen), and then put the pieces together again to get two solid balls, each the same size as the original. This paradox is a consequence of the Axiom of Choice.
- barbiturate poisoning — poisoning caused by overdose of a barbiturate
- barrier contraceptive — any form of contraceptive that prevents impregnation by physically preventing the sperm from reaching the egg
- be at pains to do sth — If someone is at pains to do something, they are very eager and anxious to do it, especially because they want to avoid a difficult situation.
- be in apple-pie order — If a room or a desk is in apple pie order, it is neat and tidy, and everything is where it should be.
- be in the melting pot — If something is in the melting pot, you do not know what is going to happen to it.
- be supposed to do sth — If you say that something is supposed to happen, you mean that it is planned or expected. Sometimes this use suggests that the thing does not really happen in this way.
- bernoulli's principle — the principle that in a liquid flowing through a pipe the pressure difference that accelerates the flow when the bore changes is equal to the product of half the density times the change of the square of the speed, provided friction is negligible
- bibliographic control — the identification, description, analysis, and classification of books and other materials of communication so that they may be effectively organized, stored, retrieved, and used when needed.
- bibliographic utility — an organization that maintains computerized bibliographic records and offers to its members or customers various products and services related to these records.
- biological psychiatry — a school of psychiatric thought concerned with the medical treatment of mental disorders, especially through medication, and emphasizing the relationship between behavior and brain function and the search for physical causes of mental illness.
- blot on the landscape — If you describe something such as a building as a blot on the landscape, you mean that you think it is very ugly and spoils an otherwise attractive place.
- blow your own trumpet — If you blow your own trumpet or blow your own horn, you tell people that you are very clever or successful.
- bluethroat pikeblenny — See under pikeblenny.
- bonnie prince charlie — a member of the royal family that ruled in Scotland from 1371 to 1714 and in England from 1603 to 1714.
- book of common prayer — the official book of church services of the Church of England, until 1980, when the Alternative Service Book was sanctioned
- bottom-up programming — a programming technique in which lower-level modules are developed before higher-level modules.
- breath-of-life packet — (XEROX PARC) An Ethernet packet that contains bootstrap code, periodically sent out from a working computer to infuse the "breath of life" into any computer on the network that has crashed. Computers depending on such packets have sufficient hardware or firmware code to wait for (or request) such a packet during the reboot process. See also dickless workstation. The notional "kiss-of-death packet", with a function complementary to that of a breath-of-life packet, is recommended for dealing with hosts that consume too many network resources. Though "kiss-of-death packet" is usually used in jest, there is at least one documented instance of an Internet subnet with limited address-table slots in a gateway computer in which such packets were routinely used to compete for slots, rather like Christmas shoppers competing for scarce parking spaces.
- bromine pentafluoride — a colorless, corrosive liquid, BrF 5 , used as an oxidizer in liquid rocket propellants.
- buffalo carpet beetle — any of several small beetles of the family Dermestidae, the larvae of which are household pests, feeding on rugs and other woolen fabrics, especially Anthrenus scrophulariae (buffalo carpet beetle) and Attagenus piceus (black carpet beetle)
- burroughs corporation — (company) A company which merged with Sperry Univac to form Unisys Corporation. They produced the Datatron 200 series among other computers.
- butterfly common lisp — A parallel version of Common LISP for the BBN Butterfly computer.
- button up (one's lip) — to refrain from talking; esp., to keep a secret
- byte-code interpreter — (software) A program that executes a byte code program. An example is the Java Virtual Machine.
- combination principle — Ritz combination principle.
- countably compact set — a set for which every cover consisting of a countable number of sets has a subcover consisting of a finite number of sets.
- decompression chamber — a chamber in which the pressure of air can be varied slowly for returning people from abnormal pressures to atmospheric pressure without inducing decompression sickness
- developmental biology — the study of the development of multicellular organisms, including the study of the earliest stages of embryonic structure and tissue differentiation
- distributed processes — (DP) The first concurrent language based on remote procedure calls.
- distributive property — Mathematics. the property that terms in an expression may be expanded in a particular way to form an equivalent expression.
- double predestination — the doctrine that God has foreordained both those who will be saved and those who will be damned.
- double spanish burton — a tackle having one standing block and two running blocks, giving a mechanical advantage of five, neglecting friction.
- electronic publishing — Electronic publishing is the publishing of documents in a form that can be read on a computer, for example as a CD-ROM.
- empirical probability — a measure or estimate of the degree of confidence one may have in the occurrence of an event, defined as the proportion observed in a sample
- employee contribution — money contributed by an employee to his or her employer's pension fund
- employer contribution — money contributed by an employer to his or her employee's pension fund
- epidermolysis bullosa — type of genetic skin disorder
- equiangular hyperbola — a hyperbola with transverse and conjugate axes equal to each other.
- european central bank — the central bank of the European Union, established in 1998 to oversee the process of European Monetary Union and subsequently to direct monetary policy within the countries using the euro
- flip someone the bird — give someone the finger (see phrase under finger)
- forward compatibility — (jargon) The ability to accept input from later versions of itself. Forward compatibility is harder to achieve than backward compatibility, since, in the backward case, the input format is know whereas a forward compatible system needs to cope gracefully with unknown future features. An example of future compatibility is the stipulation that a web browser should ignore HTML tags it does not recognise. See also extensible.
- gobject introspection — (programming) A GNOME project that defines a syntax for introspection annotation pragmas to be used in the GObject library source code. Rather than actual introspection, these are intended to allow automatic generation of bindings (APIs) to expose the library to higher-level languages. The sort of information provided is the type and direction (in, out, inout) of function parameters and the responsibility for freeing memory used by data structures.
- hyperbolic paraboloid — a paraboloid that can be put into a position such that its sections parallel to one coordinate plane are hyperbolas, with its sections parallel to the other two coordinate planes being parabolas.
- hypogammaglobulinemia — A type of immune disorder characterised by a reduction in all types of gamma globulins.
- imprecise probability — (probability) A probability that is represented as an interval (as opposed to a single number) included in [0,1].
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