demand serviceIn ISDN applications, a telecommunications service that establishes an immediate communication path in response to a user request made through…
Demand(ed) FactorThe ratio of the maximum demand on an electricity generating and distribution system to the total connected load on the system; usually expressed as a…
Demand-side managementSpecific actions taken by utility companies, their regulators, and other entities to induce, influence, or compel consumers to reduce their energy…
Demand-Side Management (DSM)The process of managing the consumption of energy, generally to optimize available and planned generation resources.
DemandaLa presentación inicial (pleading) en una acción judicial que expone formalmente los alegatos pertinentes.
Demandado(a) La parte defensora en un procedimiento judicial; (b) la parte contra quien se recibe una apelación.
Demandado; acusado1) En casos civiles - la parte demandada; 2) En casos penales - la parte acusada de cometer el delito.
demarcation point (demarc)That point at which operational control or ownership of communications facilities changes from one organizational entity to another.
dementia(deh-MEN-shuh) A condition in which a person loses the ability to think, remember, learn, make decisions, and solve problems.
Demerol(DEH-meh-ROL) A morphine-like drug used to relieve medium to severe pain. It is a type of opioid analgesic and may be habit-forming.
DemersalFish eggs or organisms that hatch on the bottom of a lake or stream.
Demilitarized Zone (DMZ)A network created by connecting two firewalls. Systems that are externally accessible but need some protections are usually located on DMZ networks.
demineralizeTo remove the mineral content (salts, ions) from a substance, especially water. Removal methods include distillation, electrodialysis and ion exchange.
Demise AltitudeAltitude at which object of interest (decoy, chaff, etc.) no longer performs its desired function (matching RV characteristics, screening RV, etc.)
democratically synchronized networkA mutually synchronized network in which all clocks in the network are of equal status and exert equal amounts of control on the others, the network…
demodulationThe recovery, from a modulated carrier, of a signal having substantially the same characteristics as the original modulating signal.
DemographicRelated to the vital statistics of human populations (size, density, growth, distribution, etc.) and the effect of these on social and economic conditions.
DemographicsRelating to the statistical study of human populations.
DemolitionDismantling or razing of all or part of an existing improvement.
Demonstration and Validation (Dem/Val)The acquisition phase when major program characteristics and product designs are refined through extensive study and analysis, hardware development, test…
demoteTo copy the property values found in a SharePoint Portal Server document profile to the properties of a Microsoft Office document.
denaturantA substance that makes ethanol unfit for consumption.
DenatureTo induce structural alterations that disrupt the biological activity of a molecule.
DenaturedEthanol that has had a substance added to make it unfit for human consumption.
denatured DNADouble-stranded DNA that has been converted to single strands by breaking the hydrogen bonds linking complementary nucleotide pairs. Often reversible.
denatured proteinAltering the in vivo conformation of a protein by heat or salt treatment, thereby destroying its biological activity.
denaturing gradient gel electrophoresis(Abbreviation: DGGE ). An electrophoresis method for separating similar sized DNA fragments on the basis of their sequence, by applying across the gel a…
dendrimerA polymer that repeatedly branches until stopped by the physical constraint of having formed a complete, hollow sphere.
DendriteExtension of a nerve cell, typically branched and relatively short, that receives stimuli from other nerve cells.
DendritesThin branch-like growth of ice on the water surface.
DendriticChannel pattern of streams with tributaries that branch to form a tree-like pattern.
dendritic cellA special type of antigen-presenting cell (APC) that activates T lymphocytes.
dendritic cell vaccineA vaccine made of antigens and dendritic antigen-presenting cells (APCs).
Dendritic Web TechniqueA method for making sheets of polycrystalline silicon in which silicon dendrites are slowly withdrawn from a melt of silicon whereupon a web of silicon…
DenialAn insurance company decision to withhold a claim payment or preauthorization. A denial may be made because the medical service is not covered, not…
Denial MeasureAn action to hinder or deny the enemy the use of space, personnel, or facilities.
denial of service1. The prevention of authorized access to resources or the delaying of time-critical operations. [2382-pt.8] 2.
Denial of Service (DoS)The prevention of authorized access to resources or the delaying of time-critical operations.
Denial-of-service attackFlooding the networks or servers of individuals or organizations with false data requests so they are unable to respond to requests from legitimate users.
denileukin diftitox(DEN-ih-LOO-kin DIF-tih-tox) A substance used to treat cutaneous T-cell lymphoma when other treatments have not worked.
denitrificationA chemical process in which nitrates in the soil are reduced to molecular nitrogen, which is released to the atmosphere.
denomination(deh-NAH-mih-NAY-shun) In religion, describes a group whose members are organized under a common name and set of rules and have common beliefs and…
denormalizationThe process of restructuring a normalized data model to accommodate operational constraints or system limitations.
denosumab(den-oh-SOO-mab) A type of monoclonal antibody being studied in the treatment of multiple myeloma (a cancer that forms in bones) and in the prevention and…
dense binary codeA binary code in which all possible bit patterns that can be made from a fixed number of bits are used to encode user information but no overhead…
Dense Fog AdvisoryIssued when fog reduces visibility to 1/8 mile or less over a widespread area.
dense wavelength division multiplexing (DWDM)Multiplexing using close spectral spacing of individual optical carriers (wavelengths) to take advantage of desirable transmission characteristics (e.g.
DensificationA mechanical process to compress biomass (usually wood waste) into pellets, briquettes, cubes, or densified logs.
densifyA process of adding vertices to an arc at specified distances, without altering the arc's shape. Compare with spline and grain tolerance.
DensityThe average number of people, families, or housing units on one unit of land. Density is also expressed as dwelling units per acre.
Density bonusAllows developers to build in specified areas densities that are higher than normally allowed.
Density CurrentA flow of water maintained by gravity through a large body of water, such as a reservoir or lake, and retaining its unmixed identity because of a…
Density Fluctuations in MatterRegions of greater and lesser mass density, which can form into structure such as galaxies, clusters, etc.
Density gradient centrifugationHigh-speed centrifugation in which molecules "float" at a point where their density equals that in a gradient of cesium chloride or sucrose.
Density of SnowThe ratio, expressed as a percentage, of the volume which a given quantity of snow would occupy if it were reduced to water, to the volume of the snow.
Dental CoverageBenefits that help pay for the cost of visits to a dentist for basic or preventive services, like teeth cleaning, X-rays, and fillings.
dental implantA metal, root-shaped device that is placed surgically in the jawbone. It acts as an anchor for attaching false teeth (crowns or bridges).
Dental pulpThe soft part inside a tooth, containing blood vessels and nerves.
DentilA small, square, tooth-like block in a series beneath a cornice.
dentistA health professional who specializes in caring for the teeth, gums, and other tissues in the mouth.
Denton, NickPublisher of Gawker, a popular ring of topical weblogs, which are typically focused on controversy. See also: Nick Denton.
Denys-Drash syndromeA rare disorder that causes kidney failure before age 3, abnormal development of the sexual organs, and, in most cases, Wilms tumor (a type of kidney…
deoxyribonucleic acid(dee-OK-see-RY-boh-noo-KLEE-ik A-sid) The molecules inside cells that carry genetic information and pass it from one generation to the next.
Deoxyribonucleic Acid (DNA)a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms and some viruses.
Department and DOLDepartment and DOL mean the United States Department of Labor.
Department of Agriculture (USDA)A federal government agency involved in rural development, marketing and regulatory programs, food safety, research, education and economics, food…
Department of Defense (DOD)The mission of the Department of Defense (DOD) is to provide the military forces needed to deter war and to protect the security of our country.
Department of Defense Acquisition SystemA single uniform system whereby all equipment, facilities, and services are planned, designed, developed, acquired, maintained, and disposed of within the…
Department of Energy (DOE)In 1989, the Department of Energy (DOE) created the Office of Environmental Management (EM) to mitigate the risks and hazards posed by the legacy of…
Department of Health and Human Services (HHS)The federal agency that oversees CMS, which administers programs for protecting the health of all Americans, including Medicare, the Marketplace…
Department of Homeland Security (DHS)DHS is comprised of three main organizations responsible for immigration policies, procedures, implementation and enforcement of U.S. laws, and more.
Department of Labor (DOL)A cabinet level unit/ministry of the U.S. government that has responsibility for labor issues.
Department of Transportation (DOT)Established by an act of Congress on October 15, 1966, the Department of Transportation's (DOT) mission is to serve the United States by ensuring a fast…