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17-letter words containing er

  • deferred sentence — a sentence that is postponed for a specific period to allow a court to examine the conduct of the offender during the deferment
  • degenerate matter — the highly compressed state of matter, esp in white dwarfs and neutron stars, supported against gravitational collapse by quantum mechanical effects
  • deliver the goods — to produce or perform something promised or expected
  • dematerialisation — The act or process of dematerializing.
  • dematerialization — The act or process of dematerializing.
  • denial of service — a deliberate interruption in access to a computer system or network, esp by using multiple computers to generate an unmanageable volume of traffic (distributed denial of service)
  • denial-of-service — pertaining to or being an incident in which a computer or computer network is disabled, disrupting access or service: a website hit by a denial-of-service attack; unintentional denial-of-service problems.
  • denominate number — a number associated with a unit of measurement.
  • depersonalisation — Alternative spelling of depersonalization.
  • depersonalization — the act or an instance of depersonalizing
  • deportation order — a notification that a foreign national is legally required to leave the country
  • designated driver — The designated driver in a group of people travelling together is the one who has agreed to drive, or who is insured to drive.
  • designated hitter — In baseball, a designated hitter is a player who bats in place of the pitcher.
  • designer clothing — Designer clothing is fashionable or luxury clothing made by, or carrying the label of, a well-known fashion designer.
  • desktop publisher — desktop publishing
  • dessert chocolate — cooking chocolate
  • deterministically — the doctrine that all facts and events exemplify natural laws.
  • diaphragm shutter — a camera shutter having a group of overlapping blades that open and close at the center when exposing film.
  • dietrich von bern — Theodoric of Verona: the name of the eastern Gothic emperor Theodoric as it appears in German legends.
  • difference engine — (computer, history)   Charles Babbage's design for the first automatic mechanical calculator. The Difference Engine was a special purpose device intended for the production of mathematical tables. Babbage started work on the Difference Engine in 1823 with funding from the British Government. Only one-seventh of the complete engine, about 2000 parts, was built in 1832 by Babbage's engineer, Joseph Clement. This was demonstrated successfully by Babbage and still works perfectly. The engine was never completed and most of the 12,000 parts manufactured were later melted for scrap. It was left to Georg and Edvard Schuetz to construct the first working devices to the same design which were successful in limited applications. The Difference Engine No. 2 was finally completed in 1991 at the Science Museum, London, UK and is on display there. The engine used gears to compute cumulative sums in a series of registers: r[i] := r[i] + r[i+1]. However, the addition had the side effect of zeroing r[i+1]. Babbage overcame this by simultaneously copying r[i+1] to a temporary register during the addition and then copying it back to r[i+1] at the end of each cycle (each turn of a handle).
  • differentiability — The ability to be differentiated.
  • differential gear — differential (def 7).
  • differential line — (hardware)   A kind of electrical connection using two wires, one of which carries the normal signal (V) and the other carries an inverted version the signal (-V). A differential amplifier at the receiver subtracts the inverted signal from the normal signal to yield a signal proportional to V. This subtraction is intended to cancel out any noise induced in the wires, on the assmption that the same level of noise will have been induced in both wires. Twisted pair wiring is often used to try to ensure that this is the case. The two wires might be connected at the receiver to separate analogue to digital converters and the subtraction performed digitally. The RS-422 serial line standard specifies differential drivers and receivers, whereas the earlier RS-232 standard does not. Opposite: single ended.
  • differential rate — a special lower rate, as one charged by one of two or more competing businesses.
  • differential tone — a musical sound sometimes heard when two loud notes are sounded together, lower in pitch than either
  • dihydroergotamine — an ergot alkaloid, C 33 H 37 N 5 O 5 , used in the treatment of various types of migraine headache.
  • dipterocarpaceous — of, relating to, or belonging to the Dipterocarpaceae, a family of trees chiefly native to tropical SE Asia, having two-winged fruits. Many species yield useful timber and resins
  • directory service — (database, networking)   A structured repository of information on people and resources within an organisation, facilitating management and communication. On a LAN or WAN the directory service identifies all aspects of the network including users, software, hardware, and the various rights and policies assigned to each. As a result applications can access information without knowing where a particular resource is physically located, and users interact oblivious to the network topology and protocols. To allow heterogeneous networks to share directory information the ITU proposed a common structure called X.500. However, its complexity and lack of seamless Internet support led to the development of Lightweight Directory Access Protocol (LDAP) which has continued to evolve under the aegis of the IETF. Despite its name LDAP is too closely linked to X.500 to be "lightweight".
  • disaster planning — disaster recovery
  • disaster recovery — (business)   (DR) Planning and implementation of procedures and facilities for use when essential systems are not available for a period long enough to have a significant impact on the business, e.g. when the head office is blown up. Disasters include natural: fire, flood, lightning, hurricane; hardware: power failure, component failure, head crash; software failure: bugs, resources; vandalism: arson, bombing, cracking, theft; data corruption or loss: human error, media failure; communications: computer network equipment, network storm, telephones; security: passwords compromised, computer virus; legal: change in legislation; personnel: unavailability of essential staff, industrial action. Companies need to plan for disaster: before: risk analysis, preventive measures, training; during: how should staff and systems respond; after: recovery measures, post mortem analysis. Hardware can usually be replaced and is usually insured. Software and data needs to be backed up off site. Alternative communication systems should be arranged in case of network failure or inaccessible premises, e.g. emergency telephone number, home working, alternative data center.
  • discrete preorder — (mathematics)   A preorder is said to be discrete if any two of its elements are incomparable.
  • disinterestedness — unbiased by personal interest or advantage; not influenced by selfish motives: a disinterested decision by the referee.
  • disintermediation — the act of removing funds from savings banks and placing them into short-term investments on which the interest-rate yields are higher.
  • disorderly person — a person guilty of disorderly conduct.
  • dispersive medium — a substance in which waves of different frequencies travel at different speeds
  • distillers' grain — a by-product of the distillation process for making whisky, used as an animal foodstuff
  • doberman pinscher — one of a German breed of medium-sized, short-haired dogs having a black, brown, or blue coat with rusty brown markings.
  • document examiner — (hypertext, tool)   A high-performance hypertext system by Symbolics that provides on-line access to their user documentation.
  • dog in the manger — a person who selfishly keeps something that he or she does not really need or want so that others may not use or enjoy it.
  • domestic commerce — an interchange of goods or commodities, especially on a large scale between different countries (foreign commerce) or between different parts of the same country (domestic commerce) trade; business.
  • double gloucester — a type of smooth orange-red cheese of mild flavour
  • dow jones average — The Dow Jones Average is a daily measurement of stock-exchange prices, based on the average price of a selected number of securities.
  • dramatis personae — (used with a plural verb) the characters in a play.
  • drool-proof paper — (jargon)   Documentation that has been obsessively dumbed down, to the point where only a cretin could bear to read it, is said to have succumbed to the "drool-proof paper syndrome" or to have been "written on drool-proof paper". For example, this is an actual quote from Apple Computer's LaserWriter manual: "Do not expose your LaserWriter to open fire or flame."
  • ductus arteriosis — a fetal blood vessel that connects the left pulmonary artery directly to the descending aorta, normally closing after birth.
  • dull as dishwater — water in which dishes are, or have been, washed.
  • dwarf huckleberry — tangleberry.
  • dyer-s--greenweed — woadwaxen.
  • dynamics analyzer — (language)   (DYANA) An early language specialised for vibrational and other dynamic physical systems.
  • east siberian sea — a part of the Arctic Ocean, between Wrangel Island and the New Siberian Islands. 352,520 sq. mi. (913,000 sq. km).
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