21-letter words containing p, e, t, i, 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 projection — the projection from the rear of previously photographed material on a translucent screen, used as background for a television or motion-picture shot.
- 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 the melting pot — If something is in the melting pot, you do not know what is going to happen to it.
- bluethroat pikeblenny — See under pikeblenny.
- 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.
- 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.
- 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
- flip someone the bird — give someone the finger (see phrase under finger)
- 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.
- imprecise probability — (probability) A probability that is represented as an interval (as opposed to a single number) included in [0,1].
- integer specbaseratio — SPECbase_int92
- keep the ball rolling — a spherical or approximately spherical body or shape; sphere: He rolled the piece of paper into a ball.
- lap and diagonal belt — A lap and diagonal belt is a strap attached to a seat in a vehicle that extends horizontally in front of the hips and diagonally from the outer shoulder across the chest. You fasten it across your body in order to prevent yourself being thrown out of the seat if there is a sudden movement or stop.
- metabotropic receptor — an indirect receptor which initiates an intracellular biochemical cascade after it is triggered by an agonistic ligand
- optical double (star) — double star (sense 2)
- posterior probability — the probability assigned to some parameter or to an event on the basis of its observed frequency in a sample, and calculated from a prior probability by Bayes' theorem
- potassium bicarbonate — a white, crystalline, slightly alkaline, salty-tasting, water-soluble powder, KHCO 3 , produced by the passage of carbon dioxide through an aqueous potassium carbonate solution: used in cookery as a leavening agent and in medicine as an antacid.
- printed circuit board — a circuit in which the interconnecting conductors and some of the circuit components have been printed, etched, etc., onto a sheet or board of dielectric material (PC board, printed-circuit board)
- propantheline bromide — a substance, C 2 3 H 3 0 BrNO 3 , used in the treatment of peptic ulcers.
- public-key encryption — (cryptography) (PKE, Or "public-key cryptography") An encryption scheme, introduced by Diffie and Hellman in 1976, where each person gets a pair of keys, called the public key and the private key. Each person's public key is published while the private key is kept secret. Messages are encrypted using the intended recipient's public key and can only be decrypted using his private key. This is often used in conjunction with a digital signature. The need for sender and receiver to share secret information (keys) via some secure channel is eliminated: all communications involve only public keys, and no private key is ever transmitted or shared. Public-key encryption can be used for authentication, confidentiality, integrity and non-repudiation. See also knapsack problem.
- push the panic button — an alarm button for use in an emergency, as to summon help.
- reciprocal inhibition — the theory that the pairing of an anxiety-provoking stimulus with anxiety-reducing reactions will weaken the association between the stimulus and the anxiety.
- roodepoort-maraisburg — a city in S Transvaal, in the NE Republic of South Africa.
- saponification number — the number of milligrams of potassium hydroxide required to saponify one gram of a given ester, especially a glyceride.
- single spanish burton — a tackle having a runner as well as the fall supporting the load, giving a mechanical advantage of three, neglecting friction.
- sodium metabisulphite — an inorganic compound with the chemical formula Na2S2O5 that is used as a preservative, antioxidant and disinfectant
- space shuttle orbiter — orbiter (def 1).
- spicebush swallowtail — a swallowtail butterfly, Papilio troilus, having a dark body with yellow spots on the forewings and greenish hind wings.
- stabilization-process — the act or process of stabilizing or the state of being stabilized.
- subjective complement — subject complement.
- subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
- sympathetic vibration — a vibration induced by resonance.
- the probation service — a criminal justice service that is mainly responsible for dealing with offenders by placing them under the supervision of a probation officer
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