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23-letter words containing e, n

  • 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.
  • differential weathering — the difference in degree of discoloration, disintegration, etc., of rocks of different kinds exposed to the same environment.
  • digital subscriber line — (communications, protocol)   (DSL, or Digital Subscriber Loop, xDSL - see below) A family of digital telecommunications protocols designed to allow high speed data communication over the existing copper telephone lines between end-users and telephone companies. When two conventional modems are connected through the telephone system (PSTN), it treats the communication the same as voice conversations. This has the advantage that there is no investment required from the telephone company (telco) but the disadvantage is that the bandwidth available for the communication is the same as that available for voice conversations, usually 64 kb/s (DS0) at most. The twisted-pair copper cables into individual homes or offices can usually carry significantly more than 64 kb/s but the telco needs to handle the signal as digital rather than analog. There are many implementation of the basic scheme, differing in the communication protocol used and providing varying service levels. The throughput of the communication can be anything from about 128 kb/s to over 8 Mb/s, the communication can be either symmetric or asymmetric (i.e. the available bandwidth may or may not be the same upstream and downstream). Equipment prices and service fees also vary considerably. The first technology based on DSL was ISDN, although ISDN is not often recognised as such nowadays. Since then a large number of other protocols have been developed, collectively referred to as xDSL, including HDSL, SDSL, ADSL, and VDSL. As yet none of these have reached very wide deployment but wider deployment is expected for 1998-1999.
  • dionysius of alexandria — ("the Great") a.d. c190–265, patriarch of Alexandria 247?–265?.
  • direct characterization — the process by which the personality of a fictitious character is revealed by the use of descriptive adjectives, phrases, or epithets.
  • direct distance dialing — a telephone network service feature enabling customers to direct-dial their long-distance calls.
  • 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
  • discrimination learning — a learning process in which an organism learns to react differently to different stimuli
  • dishonourable discharge — dismissal from the US armed forces by a court martial as a result of serious misconduct
  • 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.
  • distributive bargaining — a negotiation process aimed at reaching a compromise agreement over how resources may be allocated between the parties
  • do someone's dirty work — To do someone's dirty work means to do a task for them that is dishonest or unpleasant and which they do not want to do themselves.
  • do someone's heart good — to make someone happy; please someone
  • dollar (cost) averaging — see average (sense 11)
  • dr. jekyll and mr. hyde — (The Strange Case of Dr. Jekyll and Mr. Hyde) a novel (1886) by Robert Louis Stevenson.
  • draw a line in the sand — to put a stop to or a limit on
  • 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.
  • dressed up to the nines — If you say that someone is dressed up to the nines or dressed to the nines, you mean that they are wearing very smart or elegant clothes.
  • drive sb round the bend — If you say that someone or something drives you round the bend, you mean that you dislike them and they annoy or upset you very much.
  • drop into someone's lap — to cause to be someone's responsibility
  • drummond of hawthornden — William. 1585–1649, Scottish poet, historian, and royalist pamphleteer
  • dsp32 assembly language — A high-level assembly language for the DSP32 Programmable DSP Chip.
  • dual sensory impairment — the condition of being affected by sight and hearing loss
  • 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.
  • earliest deadline first — (operating system, algorithm)   (EDF) A strategy for CPU or disk access scheduling. With EDF, the task with the earliest deadline is always executed first.
  • earthquake-proof design — Earthquake-proof design is design which will not be badly damaged by earthquakes or tsunamis.
  • eastern lowland gorilla — the largest of the anthropoid apes, Gorilla gorilla, terrestrial and vegetarian, of western equatorial Africa and the Kivu highlands, comprising the subspecies G. g. gorilla (western lowland gorilla) G. g. graueri (eastern lowland gorilla) and G. g. beringei (mountain gorilla) now rare.
  • eastern orthodox church — Orthodox Church (def 1).
  • eating your own dogfood — eating one's own dogfood
  • ecclesiastical calendar — a calendar based on the lunisolar cycle, used by many Christian churches in determining the dates for the movable feasts.
  • education correspondent — a journalist who reports news in the field of education or teaching
  • electric field strength — the strength or intensity of an electric field at any point, usually measured in volts per metre
  • electroencephalographer — A specialist in electroencephalography.
  • electroencephalographic — Of or pertaining to electroencephalography or electroencephalographs.
  • electron spin resonance — a technique for investigating paramagnetic substances by subjecting them to high-frequency radiation in a strong magnetic field. Changes in the spin of unpaired electrons cause radiation to be absorbed at certain frequencies
  • electronic file cabinet — a device, controlled by software, for the storage and retrieval of information
  • 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.
  • electronic surveillance — use of electronic devices to spy, observe
  • electrostatic generator — any device for producing a high voltage by building up a charge of static electricity
  • electroweak interaction — a type of fundamental interaction combining both the electromagnetic interaction and the weak interaction
  • eliminative materialism — (in philosophy of mind) the theory that people's common-sense understanding of the mind is false and that certain classes of mental states that most people believe in do not exist
  • ellipsoid of revolution — a geometric surface produced by rotating an ellipse about one of its two axes and having circular plane surfaces perpendicular to the axis of revolution
  • embarrassment of riches — If you say that someone has an embarrassment of riches, you mean that they have so many good things that these things are a problem.
  • embden-meyerhof pathway — the metabolic reaction sequence in glycolysis by which glucose is converted to pyruvic acid with production of ATP
  • 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.
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