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23-letter words containing o, c, t, d, e, i

  • differential compaction — differences in the extent to which sediment is compacted owing to topographic irregularities of the surface on which it is deposited.
  • differential psychology — the branch of psychology dealing with the study of characteristic differences or variations of groups or individuals, especially through the use of analytic techniques and statistical methods.
  • digital subscriber loop — Digital Subscriber Line
  • direct characterization — the process by which the personality of a fictitious character is revealed by the use of descriptive adjectives, phrases, or epithets.
  • direct primary election — a preliminary election at which candidates for public office are chosen by direct vote of the people instead of by delegates at a convention: in closed primary elections voters must declare party affiliation and may vote only for candidates of their party
  • director of photography — the person who is responsible for all operations concerning camera work and lighting during the production of a film.
  • discrimination learning — a learning process in which an organism learns to react differently to different stimuli
  • disintegration constant — decay constant.
  • disjunctive normal form — (DNF) A logical formula consisting of a disjunction of conjunctions where no conjunction contains a disjunction. E.g. the DNF of (A or B) and C is (A and C) or (B and C).
  • dissociate oneself from — to deny or repudiate any connection with
  • dissociative extraction — Dissociative extraction is when a component is divided between two liquids, which involves breakdown of the component.
  • dollar (cost) averaging — see average (sense 11)
  • draw/make a distinction — If you draw a distinction or make a distinction, you say that two things are different.
  • drawing exchange format — (DXF) A file format for graphical information, similar to IGES. Commonly used by CAD systems like AutoCAD.
  • duplication of the cube — the insoluble problem of constructing a cube having twice the volume of a given cube, using only a ruler and compass.
  • education correspondent — a journalist who reports news in the field of education or teaching
  • electronic mail address — (messaging)   (Usually "e-mail address") The string used to specify the source or destination of an electronic mail message. E.g. "[email protected]". The RFC 822 standard is probably the most widely used on the Internet. X.400 was once used in Europe and Canada. UUCP-style (bang path) addresses or other kinds of source route became virtually extinct in the 1990s. In the example above, "john" is the local part which is the name of a mailbox on the destination computer. If the sender and recipient use the same computer, or the same LAN, for electronic mail then the local part is usually all that is required. If they use different computers, e.g. they work at different companies or use different Internet service providers, then the "host part", e.g. "sales.acme.com" must be appended after an "@". This usually takes the form of a fully qualified domain name or, within a large organisation, it may be just the hostname part, e.g. "sales". The destination computer named by the host part is usually a server of some kind rather than an individual's workstation or PC. The user's mail is stored on the server and read later via client mail software running on the user's computer. Large organisations, such as universities will often set up a global alias directory which maps a simple user name such as "jsmith" to an address which contains more information such as "[email protected]". This hides the detailed knowledge of where the message will be delivered from the sender, making it much easier to redirect mail if a user leaves or moves to a different department for example.
  • electrostatic discharge — (hardware, testing)   (ESD) One kind of test that hardware usually has to pass to prove it is suitable for sale and use. The hardware must still work after is has been subjected to some level of electrostatic discharge. Some organisations have their own ESD requirements which hardware must meet before it will be considered for purchase. Different countries have different legal regulations about levels of ESD. See also Radio Frequency Interference, Electromagnetic Compatibility.
  • encapsulated postscript — (EPS) An extension of the PostScript graphics file format developed by Adobe Systems. EPS is used for PostScript graphics files that are to be incorporated into other documents. An EPS file includes pragmas (special PostScript comments) giving information such as the bounding box, page number and fonts used. On some computers, EPS files include a low resolution version of the PostScript image. On the Macintosh this is in PICT format, while on the IBM PC it is in TIFF or Microsoft Windows metafile format.
  • extracorporeal dialysis — the filtering of circulating blood through a semipermeable membrane in an apparatus
  • extrinsic semiconductor — a semiconductor into which a doping agent has been introduced, giving it different electrical properties than the intrinsic semiconductor
  • fendalton shopping cart — a four-wheel drive recreational vehicle
  • field effect transistor — a transistor in which the output current is varied by varying the value of an electric field within a region of the device. Abbreviation: FET.
  • field-effect transistor — a transistor in which the output current is varied by varying the value of an electric field within a region of the device. Abbreviation: FET.
  • first come first served — You say 'first come first served' to indicate that a group of people or things will be dealt with or given something in the order in which they arrive.
  • five-and-ten-cent store — a store that sells a wide variety of inexpensive merchandise, orig. with many articles priced at five or ten cents
  • free on-line dictionary — Free On-line Dictionary of Computing
  • friction reducing agent — A friction reducing agent is an additive used to reduce friction exerted downhole on tools and pipes.
  • friedel-crafts reaction — a reaction for the synthesis of hydrocarbons and ketones by the alkylation or acylation of an aromatic compound in the presence of a catalyst, typically anhydrous aluminum chloride.
  • fundamental interaction — any of the four basic interactions that occur in nature: the gravitational, electromagnetic, strong, and weak interactions
  • get one's wires crossed — to misunderstand
  • grant-maintained school — a school funded directly by central government
  • greatest common divisor — the largest number that is a common divisor of a given set of numbers. Abbreviation: G.C.D.
  • heaviside unit function — the function that is zero for any number less than zero and that is 1 for any number greater than or equal to zero.
  • hold sb/sth in contempt — If you hold someone or something in contempt, you feel contempt for them.
  • hollerithabetical order — (algorithm)   Sorted into the order a standard Hollerith card sorting machine produces, with special characters interleaved within the alphabet.
  • identification bracelet — a bracelet, usually of metal links, having an identification plate for the name of the wearer.
  • in sack cloth and ashes — sacking.
  • in your stockinged feet — wearing stockings or socks but no shoes
  • indirect discrimination — discrimination by means of rules, regulations or procedures that may appear to be neutral, but which actually discriminate against certain groups of people.
  • integrated fire control — an electronic system that locates and tracks a target, computes the data, and employs a weapon to destroy it.
  • intermediate technology — technology which combines sophisticated ideas with cheap and readily available materials, esp for use in developing countries
  • intrinsic semiconductor — an almost pure semiconductor to which no impurities have been added and in which the electron and hole densities are equal at thermal equilibrium
  • knock into a cocked hat — a man's hat, worn especially in the 18th century, having a wide, stiff brim turned up on two or three sides toward a peaked crown. Compare bicorne, tricorn (def 2).
  • magnetohydrodynamically — In a magnetohydrodynamic way.
  • message digest function — one-way hash function
  • methylthionine chloride — methylene blue.
  • moving target indicator — a Doppler-radar presentation that indicates moving targets only, stationary objects reflecting signals that the system rejects. Abbreviation: MTI.
  • multimedia compact disc — (storage)   (MMCD) A CD-ROM standard for storing 4.7 GB of data including video. MMCD is being developed by a large numer of computer manufacturers and is expected to be shipped in late 1996 or early 1997. Initially it will be aimed at the consumer market, then perhaps in CD-ROM format for computers, and maybe later on erasble CD.
  • non-destructive testing — Non-destructive testing is the examination of the quality of a component without changing it in any way.
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