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15-letter words containing e, y

  • dark-eyed junco — a common North American junco, Junco hyemalis, having a pink bill, gray and brown body plumage, white belly and outer tail feathers, and differing from other species of junco in having a dark brown rather than yellow iris.
  • data link layer — (networking)   Layer two, the second lowest layer in the OSI seven layer model. The data link layer splits data into frames (see fragmentation) for sending on the physical layer and receives acknowledgement frames. It performs error checking and re-transmits frames not received correctly. It provides an error-free virtual channel to the network layer. The data link layer is split into an upper sublayer, Logical Link Control (LLC), and a lower sublayer, Media Access Control (MAC). Example protocols at this layer are ABP, Go Back N, SRP.
  • data redundancy — (data, communications, storage)   Any technique that stores or transmits extra, derived data that can be used to detect or repair errors, either in hardware or software. Examples are parity bits and the cyclic redundancy check. If the cost of errors is high enough, e.g. in a safety-critical system, redundancy may be used in both hardware AND software with three separate computers programmed by three separate teams ("triple redundancy") and some system to check that they all produce the same answer, or some kind of majority voting system. The term is not typically used for other, less beneficial, duplication of data. 2.   (communications)   The proportion of a message's gross information content that can be eliminated without losing essential information. Technically, redundancy is one minus the ratio of the actual uncertainty to the maximum uncertainty. This is the fraction of the structure of the message which is determined not by the choice of the sender, but rather by the accepted statistical rules governing the choice of the symbols in question.
  • day of judgment — Judgment Day
  • day of the dead — an annual celebration to honor the spirits of the dead, observed in Mexico and other Latin American countries on November 1 and 2, concurrently with All Saints' Day and All Souls' Day.
  • day of the lord — Also called Day of Yahweh. (in Old Testament eschatology) a day of final judgment. Amos 5:18–21; Ezek. 30.
  • dean of faculty — the president of the Faculty of Advocates in Scotland
  • decarboxylation — the removal or loss of a carboxyl group from an organic compound
  • decatyl alcohol — decanol.
  • decipherability — to make out the meaning of (poor or partially obliterated writing, etc.): to decipher a hastily scribbled note.
  • decision theory — the study of strategies for decision-making under conditions of uncertainty in such a way as to maximize the expected utility
  • decomposability — (uncountable) The condition of being decomposable.
  • decorated style — a 14th-century style of English architecture characterized by the ogee arch, geometrical tracery, and floral decoration
  • defect analysis — (programming)   Using defects as data for continuous quality improvement. Defect analysis generally seeks to classify defects into categories and identify possible causes in order to direct process improvement efforts.
  • deflection yoke — an assembly of one or more coils through which a controlled current is passed to produce a magnetic field for deflecting a beam of electrons, as in a picture tube.
  • degree ceremony — a ceremony at which university degrees are awarded
  • dehydrogenating — Present participle of dehydrogenate.
  • dehydrogenation — to remove hydrogen from (a compound).
  • delayed neutron — a neutron produced in a nuclear reactor by the breakdown of a fission product and released a short time after neutrons produced in the primary process
  • delayed opening — the automatic opening of a parachute after a predetermined delay to allow the parachutist to reach a particular height
  • delaying action — a measure or measures taken to gain time, as when weaker military forces harass the advance of a superior enemy without coming to a pitched battle
  • delaying tactic — Delaying tactics are things that someone does in order to deliberately delay the start or progress of something.
  • delivery charge — A delivery charge is the cost of transporting or delivering goods.
  • delivery system — any means or process for conveying a product or service to a recipient.
  • delsarte system — a method of teaching drama and dancing based on the exercises of Alexandre Delsarte (1811–71), famous teacher at the Paris Conservatoire
  • demographically — of or relating to demography, the science of vital and social statistics.
  • demonstrability — The quality of being demonstrable.
  • demonstratively — characterized by or given to open exhibition or expression of one's emotions, attitudes, etc., especially of love or affection: She wished her fiancé were more demonstrative.
  • demystification — to rid of mystery or obscurity; clarify: to demystify medical procedures.
  • demythification — the act of demythifying
  • demythologizing — Present participle of demythologize.
  • dendrochemistry — (chemistry) the science, related to dendrochronology, that uses the analysis of trace minerals in tree rings to study air pollution in past times.
  • dendrohydrology — The science that uses dendrochronology to investigate and reconstruct hydrologic processes, such as river flow and past lake levels.
  • density current — a turbid, dense current of sediments in suspension moving along the slope and bottom of a lake or ocean.
  • deoxyhemoglobin — the oxygen-carrying pigment of red blood cells that gives them their red color and serves to convey oxygen to the tissues: occurs in reduced form (deoxyhemoglobin) in venous blood and in combination with oxygen (oxyhemoglobin) in arterial blood. Symbol: Hb.
  • dephosphorylate — to remove a phosphate group from (an organic compound)
  • depletion layer — a region at the interface between dissimilar zones of conductivity in a semiconductor, in which there are few charge carriers
  • deputy minister — (in Canada) the senior civil servant in a government department
  • dermatoglyphics — the lines forming a skin pattern, esp on the palms of the hands and soles of the feet
  • dermatomyositis — a chronic medical condition characterized by inflammation of muscles (myositis), accompanied by a skin rash
  • dermatophytosis — a fungal infection of the skin, esp the feet
  • design recovery — (process)   A subtask of reverse engineering in which domain knowledge, external information, and deduction of fuzzy reasoning are added to the observations of the subject system to identify meaningful higher level abstractions beyond those obtained directly by examining the system itself. In other words, design recovery aims to work out what a system or component was designed to do rather than just examining its subcomponents and their interrelationships.
  • destructibility — The condition of being destructible.
  • desynchronizing — Present participle of desynchronize.
  • detective story — a story in which a detective tries to solve a crime
  • determinability — the quality of being determinable
  • developmentally — the act or process of developing; growth; progress: child development; economic development.
  • diallyl sulfide — allyl sulfide.
  • dichotomous key — a key used to identify a plant or animal in which each stage presents descriptions of two distinguishing characters, with a direction to another stage in the key, until the species is identified
  • dideoxycytidine — The drug zalcitabine.
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