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24-letter words containing s, e, n, a, t, o

  • complement fixation test — a serological test for detecting the presence of a specific antibody or antigen, used in the diagnosis of syphilis, etc
  • complement-fixation test — a test for diagnosing an infectious disease by detecting the presence of antibody in the blood, based on the fixing of a known quantity of complement to the antigen being tested and the specific antibody that combines with it. Abbreviation: CFT.
  • computer design language — (language)   An ALGOL-like language for computer design.
  • 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.
  • 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.
  • congestive heart failure — heart failure characterized by weakness, breathlessness, and abnormal congestion in the circulatory system, esp. in the lungs or lower legs
  • conservation of momentum — the principle that the total linear or angular momentum in any isolated system is constant, provided that no external force is applied
  • consonantal alliteration — the use of the same consonant at the beginning of each word or each stressed syllable in a line of verse, as in around the rock the ragged rascal ran
  • constant linear velocity — (storage)   (CLV) A way of controlling the rotation of the disks in a disk drive in which the linear velocity of the disk surface relative to the read/write heads is kept constant. In order to achieve constant linear velocity, the disk must rotate faster (at a higher angular velocity) when reading or writing tracks closer to the centre. Having a constant linear read/write speed along the track means that the electrical signal to and from the heads has a constant data rate (bits per second), thus simplifying the timing of the drive electronics somewhat. However, rotating at less than the maximum possible rate sacrifices some potential performance compared to the alternative, constant angular velocity. Also, varying the rate causes more vibration and consumes more energy.
  • 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 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.
  • cost-of-living allowance — an additional payment which takes account of the cost of living
  • council of nationalities — the legislature of the former Soviet Union and its successor states, consisting of an upper house (Soviet of the Union or Council of the Union) whose delegates are elected on the basis of population, and a lower house (Soviet of Nationalities or Council of Nationalities) whose delegates are elected to represent the various nationalities.
  • 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
  • delayed control-transfer — (architecture)   A technique used on the SPARC processor to reduce the effect of pipeline breaks by executing the instruction after a branch instruction (the "delay instruction" in the "delay slot"). If there is no useful instruction which can be placed in the delay slot then the "annul bit" on the control transfer instruction can be set, preventing execution of the delay instruction (unless the control transfer is conditional and is taken). Annulled branches are indicated in SPARC assembler language by appending ",A" to the operation code. For example, LOOP: ... CMP %L0,10 BLE,A LOOP ADD %L2, %L3, #L4 If the delay instruction is also a control transfer instruction then it gets more complicated. Both control transfer instructions are executed (but not the following instruction) and, assuming they are both taken, control is transferred briefly to the destination of the first and then immediately to the destination of the second.
  • destructive distillation — the decomposition of a complex substance, such as wood or coal, by heating it in the absence of air and collecting the volatile products
  • developmental disability — a disability, as mental retardation or cerebral palsy, that begins at an early age and continues indefinitely, leading to substantial handicap.
  • developmental psychology — a branch of psychology that studies changes in human behavior from early life to death.
  • dictionary and thesaurus — a dictionary that includes a separate section listing terms with synonyms and antonyms. An online reference site, such as Reference.com, provides immediate electronic access to several dictionaries and a thesaurus as well as to other reference sources.
  • differential association — a theory that criminal and deviant behavior is learned through close and frequent association with criminal or deviant behavior patterns, norms, and values.
  • digital switched network — (communications)   (DSN) The completely digital version of the PSTN.
  • dionysius the areopagite — 1st century a.d, Athenian scholar: converted to Christianity by Saint Paul c50.
  • disturbance of the peace — a malicious and willful intrusion on the peace and quiet of a community or neighbourhood
  • domestic relations court — in some states, a court with jurisdiction over matters involving relations within the family or household, as between husband and wife or parent and child
  • domestic-relations court — court of domestic relations.
  • double-crested cormorant — a North American cormorant, Phalacrocorax auritus, having tufts of black and white feathers on the sides of the head.
  • 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.
  • east riding of yorkshire — a county of NE England, a historical division of Yorkshire on the North Sea and the Humber estuary: became part of Humberside in 1974; reinstated as an independent unitary authority in 1996, with a separate authority for Kingston upon Hull: chiefly agricultural and low-lying, with various industries in Hull. Administrative centre: Beverley. Pop (excluding Hull): 321 300 (2003 est). Area (excluding Hull): 748 sq km (675 sq miles)
  • eating one's own dogfood — (programming)   When a developer uses their own code for their own daily needs. Being a user as well as a developer creates the user empathy that is the hallmark of good software. The term seems to have originated at Microsoft.
  • educational psychologist — a person trained in educational psychology
  • effort adjustment factor — (programming)   (EAF) A term used in COCOMO to calculate a cost driver attribute's effect on a project. It is the product of the effort multipliers corresponding to each of the cost drivers for the project.
  • 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
  • emotional roller coaster — a situation or experience that alternates between making you feel excited, exhilarated, or happy and making you feel sad, disappointed, or desperate
  • endotracheal anaesthesia — a method of administering gaseous anaesthetics to animals through a tube inserted into the trachea
  • environmental assessment — a formal assessment of the impact a project will have on the environment
  • equine infectious anemia — swamp fever (def 2).
  • european investment bank — a financial institution of the European Union which is based in Luxembourg and which provides loans, especially to the less economically developed countries of the EU
  • european monetary system — the system used in the European Union for stabilizing exchange rates between the currencies of member states and financing the balance-of-payments support mechanism. The original Exchange Rate Mechanism was formed in 1979 but superseded in 1999 when the euro was adopted as official currency of 11 EU member states. A new exchange rate mechanism (ERM II) based on the euro is used to regulate the currencies of participating states that have not adopted the euro
  • exponential distribution — a continuous single-parameter distribution used esp when making statements about the length of life of certain materials or waiting times between randomly occurring events. Its density function is p(x) = λe–λx for positive λ and nonnegative x, and it is a special case of the gamma distribution
  • 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
  • federal trade commission — FTC.
  • fish protein concentrate — an odorless and tasteless high-protein food additive made from ground fish and suitable for human consumption. Abbreviation: FPC.
  • floating-point specratio — SPECfp92
  • flue gas desulfurization — Flue gas desulfurization is the removal of pollutants containing sulfur from flue gas.
  • footloose and fancy-free — If you describe someone as footloose and fancy-free, you mean that they are not married or in a similar relationship, and you therefore consider them to have very few responsibilities or commitments.
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