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24-letter words containing a, c, e, p, t

  • condensed-matter physics — the branch of physics that deals with the macroscopic physical properties of matter, especially solids; the study of the electromagnetic, structural, and thermodynamic properties of solids.
  • constantinopolitan creed — a formal statement of the chief tenets of Christian belief, adopted by the first Nicene Council.
  • consultant paediatrician — a paediatrician who has attained the rank of consultant
  • cooperative credit union — a cooperative group that makes loans to its members at low rates of interest.
  • cooperative multitasking — (parallel, operating system)   A form of multitasking where it is the responsibility of the currently running task to give up the processor to allow other tasks to run. This contrasts with pre-emptive multitasking where the task scheduler periodically suspends the running task and restarts another. Cooperative multitasking requires the programmer to place calls at suitable points in his code to allow his task to be descheduled which is not always easy if there is no obvious top-level main loop or some routines run for a long time. If a task does not allow itself to be descheduled all other tasks on the system will appear to "freeze" and will not respond to user action. The advantage of cooperative multitasking is that the programmer knows where the program will be descheduled and can make sure that this will not cause unwanted interaction with other processes. Under pre-emptive multitasking, the scheduler must ensure that sufficient state for each process is saved and restored that they will not interfere. Thus cooperative multitasking can have lower overheads than pre-emptive multitasking because of the greater control it offers over when a task may be descheduled. Cooperative multitasking is used in RISC OS, Microsoft Windows and Macintosh System 7.
  • crypt breakers workbench — (cbw) A freely distributable multi-window integrated workbench of tools for cryptanalysis of files encrypted with the 4.2BSD Unix crypt command. It was originally written by Robert W. Baldwin at MIT.
  • data encryption standard — (DES) The NBS's popular, standard encryption algorithm. It is a product cipher that operates on 64-bit blocks of data, using a 56-bit key. It is defined in FIPS 46-1 (1988) (which supersedes FIPS 46 (1977)). DES is identical to the ANSI standard Data Encryption Algorithm (DEA) defined in ANSI X3.92-1981. DES has been implemented in VLSI. SunOS provides a des command which can make use of DES hardware if fitted. Neither the software nor the hardware are supposed to be distributed outside the USA.
  • decentralized processing — the use of word processing or data processing units in stand-alone or localized situations
  • descriptive bibliography — the aspect of bibliography concerned with the close physical study and description of books and other works.
  • detoxification programme — a programme of treatment for alcoholism or drug addiction
  • developmental psychology — a branch of psychology that studies changes in human behavior from early life to death.
  • dibasic sodium phosphate — sodium phosphate (def 2).
  • dibasic-sodium-phosphate — Also called monobasic sodium phosphate. a white, crystalline, slightly hygroscopic, water-soluble powder, NaH 2 PO 4 , used chiefly in dyeing and in electroplating.
  • dicyclopentadienyl metal — ferrocene (def 2).
  • digital compact cassette — a magnetic tape cassette on which sound can be recorded in a digital format
  • display screen equipment — Visual Display Unit
  • disturbance of the peace — a malicious and willful intrusion on the peace and quiet of a community or neighbourhood
  • dutch west india company — a Dutch merchant company chartered in 1621 to carry on trade with Africa, the West Indies, North and South America, and Australia.
  • dynamic adaptive routing — Automatic rerouting of traffic based on analysis of current network conditions. This does not include routing decisions based on predefined information.
  • educational psychologist — a person trained in educational psychology
  • electrocardiographically — By means of electrocardiography.
  • electromagnetic spectrum — the complete range of electromagnetic radiation from the longest radio waves (wavelength 105 metres) to the shortest gamma radiation (wavelength 10–13 metre)
  • electronic point of sale — a computerized system for recording sales in retail shops, using a laser scanner at the cash till to read bar codes on the packages of the items sold
  • equivalence partitioning — equivalence class partitioning
  • evolutionary computation — Computer-based problem solving systems that use computational models of evolutionary processes as the key elements in design and implementation. A number of evolutionary computational models have been proposed, including evolutionary algorithms, genetic algorithms, the evolution strategy, evolutionary programming, and artificial life.
  • extra-sensory perception — Extra-sensory perception means knowing without using your ordinary senses such as sight and hearing. Some people believe this is possible. The abbreviation ESP is also used.
  • family income supplement — a benefit formerly paid to low-income families
  • fish protein concentrate — an odorless and tasteless high-protein food additive made from ground fish and suitable for human consumption. Abbreviation: FPC.
  • floating decimal (point) — a decimal (point) whose position is not fixed
  • floating-point specratio — SPECfp92
  • free and accepted masons — a member of a widely distributed secret order (Free and Accepted Masons) having for its object mutual assistance and the promotion of brotherly love among its members.
  • functional specification — (programming, project)   A description of what a system (e.g. a piece of software) does or should do (but not how it should do it). The functional specification is one of the inputs to the design process. See IEEE/ANSI Std. 610.12-1990.
  • general protection fault — General Protection Failure
  • geographical determinism — the theory that human activity is determined by geographical conditions
  • graduated pension scheme — (between 1961 and 1975) an earnings-related pension scheme which was based on the amount of an employee's National Insurance contributions
  • graphical user interface — a software interface designed to standardize and simplify the use of computer programs, as by using a mouse to manipulate text and images on a display screen featuring icons, windows, and menus.
  • gulf cooperation council — an association of Persian Gulf nations formed for the purpose of collective defense against aggression. Abbreviation: GCC.
  • have had a drop too much — to be drunk
  • heart in the right place — If you say that someone's heart is in the right place, you mean that they are kind, considerate, and generous, although you may disapprove of other aspects of their character.
  • high performance fortran — (language)   (HPF) A data parallel language extension to Fortran 90 which provides a portable programming interface for a wide variety of target platforms. The original HPF language specification was produced by the High Performance Fortran Forum, a broad consortium of industry and academia, which met regularly throughout 1992 and early 1993. HPF compilers are now available on most commonly-used computing systems, and users are beginning to gain first hand experience with this language. The Forum has continued to meet in order to address advanced topics.
  • high performance routing — (networking)   (HPR) Routing designed to work in conjunction with APPN Intermediate Session Routing (ISR) network nodes. HPR nodes perform many of the same functions as ISR nodes. For example, HPR nodes use the same method of calculating routes based on the Topology Routing Service database and class of service tables. HPR nodes also supports such APPN features as connection networks and support for parallel transmission groups (TGs). In the HPR architecture, both partner nodes must support HPR for RTP connections to take place between the nodes. If one node supports HPR and the partner node does not, then the link will support ISR functionality only.
  • homolographic projection — an equal-area projection in which the proportion between regions of unequal area is correctly shown.
  • hoop-petticoat narcissus — petticoat narcissus.
  • human-computer interface — (software, hardware)   (HCI) Any software or hardware that allows a user to interact with a computer. Examples are WIMP, command-line interpreter, or virtual reality. See also Human-Computer Interaction.
  • ichthyophthirius-disease — ich.
  • implicit differentiation — a method of finding the derivative of an implicit function by taking the derivative of each term with respect to the independent variable while keeping the derivative of the dependent variable with respect to the independent variable in symbolic form and then solving for that derivative.
  • incomplete metamorphosis — insect development, as in the grasshopper and cricket, in which the change is gradual and characterized by the absence of a pupal stage. Compare complete metamorphosis.
  • independent logical file — (database)   (ILF) One kind of dynamic database management system. Examples of ILF databases are INQUIRE, ADABAS, NOMAD, FOCUS and DATACOM.
  • industrial correspondent — a journalist who specializes in reporting the industrial news
  • international ice patrol — an annual U.S. Coast Guard patrol of the North Atlantic during the ice season to ascertain the locations of icebergs and to warn ships: undertaken under a 1914 international agreement between 14 maritime countries.
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