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15-letter words containing d, r, y, n

  • cranberry gourd — a South American vine, Abobra tenuifolia, of the gourd family, having deeply lobed, ovate leaves and bearing a berrylike scarlet fruit.
  • cromolyn sodium — a substance, C 23 H 14 Na 2 O 11 , used as a preventive inhalant for bronchial asthma and hay fever.
  • crude tank yard — A crude tank yard is a place where tanks of crude oil are stored.
  • currency trader — a person whose work is to trade currencies and profit from exchange rate differentials
  • current density — the ratio of the electric current flowing at a particular point in a conductor to the cross-sectional area of the conductor taken perpendicular to the current flow at that point. It is measured in amperes per square metre
  • cyanide process — a process for recovering gold and silver from ores by treatment with a weak solution of sodium cyanide
  • cylinder barrel — the metal casting containing a cylinder of a reciprocating internal-combustion engine
  • daguerreotyping — Present participle of daguerreotype.
  • daily newspaper — A daily newspaper is a newspaper that is published every day of the week except Sunday.
  • 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 dictionary — an index of data held in a database and used to assist in the access to data
  • 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.
  • decarboxylation — the removal or loss of a carboxyl group from an organic compound
  • decision theory — the study of strategies for decision-making under conditions of uncertainty in such a way as to maximize the expected utility
  • 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
  • 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.
  • 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.
  • 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
  • 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.
  • desynchronizing — Present participle of desynchronize.
  • determinability — the quality of being determinable
  • diffrangibility — the power or capability of being diffracted
  • dilatory motion — a formal proposal to be discussed and voted on in a debate whose effect is to interrupt the business under discussion at the time
  • dionysius thrax — c100 b.c, Greek grammarian.
  • diphenhydramine — a white, crystalline, antihistaminic compound, C 17 H 21 NO, used orally, topically, and parenterally, especially for allergies.
  • disconcertingly — disturbing to one's composure or self-possession; upsetting, discomfiting.
  • discovery inlet — an inlet of the Ross Sea, Antarctica.
  • discretionarily — subject or left to one's own discretion.
  • dishearteningly — In a disheartening manner.
  • disinflationary — (economics) Exhibiting or causing reduced inflation.
  • disinterestedly — unbiased by personal interest or advantage; not influenced by selfish motives: a disinterested decision by the referee.
  • disquisitionary — of or relating to a disquisition
  • do the dirty on — to behave meanly or unkindly towards
  • do your head in — If something or someone does your head in, they make you angry or frustrated.
  • domain maturity — (systems analysis)   The level of stability and depth of understanding that has been achieved in an area for which applications are developed.
  • donnybrook fair — a fair which until 1855 was held annually at Donnybrook, County Dublin, Ireland, and which was famous for rioting and dissipation.
  • dorito syndrome — (humour)   Feelings of emptiness and dissatisfaction triggered by addictive substances that lack nutritional content. "I just spent six hours surfing the Web, and now I've got a bad case of Dorito Syndrome."
  • dorsiventrality — The quality of being dorsiventral.
  • dorsoventrality — Zoology. pertaining to the dorsal and ventral aspects of the body; extending from the dorsal to the ventral side: the dorsoventral axis.
  • dougherty wagon — a horse- or mule-drawn passenger wagon having doors on the side, transverse seats, and canvas sides that can be rolled down.
  • down's syndrome — a genetic disorder, associated with the presence of an extra chromosome 21, characterized by mild to severe mental impairment, weak muscle tone, shorter stature, and a flattened facial profile.
  • drying-up cloth — a tea towel
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