Glossary · Nouns · D
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TermTypeDefinitionClassificationsUpdated
Differential CostnounMWEthe increase or decrease in costs as a result of one more or one less unit of outputverified
Differential DiagnosisnounMWEa systematic method of diagnosing a disorder (e.g., headache) that lacks unique symptoms or signsverified
Differential GearnounMWEa bevel gear that permits rotation of two shafts at different speedsverified
Differential Power AnalysisnounMWEAn analysis of the variations of the electrical power consumption of a cryptographic module, using advanced statistical methods and/or other techniques, for the purpose of extracting information correlated to cryptographic keys used in a cryptographic algorithm.ThreatRegulated
Differential PrivacynounMWEDifferential privacy is a method for measuring how much information the output of a computation reveals about an individual. It is based on the randomised injection of "noise". Noise is a random alteration of data in a dataset so that values such as direct or indirect identifiers of individuals are harder to reveal. An important aspect of differential privacy is the concept of “epsilon” or ɛ, which determines the level of added noise. Epsilon is also known as the “privacy budget” or “privacy parameter”.ControlPII
Differential PsychologynounMWEthe branch of psychology that studies measurable differences between individualsverified
Differential ValiditynounMWEDifferential validity states that the validities in two applicant populations are unequal, that is, pi != pa.Metric
Differentiationnoun(biology) the structural adaptation of some body part for a particular functionverified
Difficultynouna condition or state of affairs almost beyond one's ability to deal with and requiring great effort to bear or overcomeverified
Diffie-HellmannounA key agreement algorithm published in 1976 by Whitfield Diffie and Martin Hellman. Diffie-Hellman does key establishment, not encryption. However, the key that it produces may be used for encryption, for further key management operations, or for any other cryptography.Capability
Diffractionnounwhen light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bandsverified
Diffraction GratingnounMWEoptical device consisting of a surface with many parallel grooves in itverified
Diffusenessnounthe spatial property of being spread out over a wide area or through a large volumeverified
Diffusing ScreennounMWEa transparent filter that reduces the light (or some wavelengths of the light) passing through itverified
Diffusionnoun(physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentrationverified
Diflunisalnounnonsteroidal anti-inflammatory (trade name Dolobid) used to treat arthritis and other inflammatory conditionsverified
Digest AuthenticationnounMWEDigest Authentication allows a web client to compute MD5 hashes of the password to prove it has the password.ControlPII
Digesternounautoclave consisting of a vessel in which plant or animal materials are digestedverified
Digestionnounthe organic process by which food is converted into substances that can be absorbed into the bodyverified
Digestive TractnounMWEtubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anusverified
Digestive TubenounMWEtubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anusverified
Digger WaspnounMWEsolitary wasp that digs nests in the soil and stocks them with paralyzed insects for the larvaeverified
Digging UpnounMWEthe act of digging something out of the ground (especially a corpse) where it has been buriedverified
Digital CameranounMWEa camera that encodes an image digitally and store it for later reproductionverified
Digital certificatenounMWEThe electronic equivalent of an ID card that authenticates the originator of a digital signature.Credential
Digital CommunicationnounMWEelectronic transmission of information that has been encoded digitally (as for storage and processing by computers)verified
Digital Communications TechnologynounMWEthe design and construction of communications technology that transmits information in digital formverified
Digital DisplaynounMWEa display that gives the information in the form of characters (numbers or letters)verified
Digital EnvelopenounMWEA digital envelope is an encrypted message with the encrypted session key.DataRegulated
Digital EvidencenounMWEElectronic information stored or transferred in digital form.ArtifactRegulated
Digital forensicsnounMWEThe application of science to the identification, collection, examination, and analysis of data while preserving the integrity of the information and maintaining a strict chain of custody for the data.ProcessRegulated
Digital LabornounMWEDigital automation of information technology systems and/or business processes that successfully delivers work output previously performed by human labor or new work output that would typically or alternatively have been performed by human labor.Process
Digital PhotographynounMWEa photographic method that stores the image digitally for later reproductionverified
Digital PlethysmographnounMWEplethysmograph applied to a digit of the hand or foot to measure skin blood flowverified
digital rights managementnounMWEA form of access control technology to protect and manage use of digital content or devices in accordance with the content or device provider's intentions.Control
Digital ScannernounMWEan electronic device that generates a digital representation of an image for data input to a computerverified
Digital signaturenounMWEAn asymmetric key operation where the private key is used to digitally sign data and the public key is used to verify the signature. Digital signatures provide authenticity protection, integrity protection, and non-repudiation.CredentialRegulated
Digital Signature StandardnounMWEThe US Government standard that specifies the Digital Signature Algorithm (DSA), which involves asymmetric cryptography.FrameworkRegulated
Digital Subscriber LinenounMWEa generic name for digital lines that are provided by telephone companies to their local subscribers and that carry data at high speedsverified
Digital subscriber line (DSL)nounMWEA technology that uses existing copper telephone lines and advanced modulation schemes to provide high-speed telecommunications to businesses and homes.Network
Digital WorkforcenounMWEThe collective suite of automation technologies delivering existing or new work output as applied in a business; the manifestation of digital labor.System
Digital-To-Analog ConverternounMWEdevice for converting digital signals into analogue signalsverified
Digitalisationnounthe administration of digitalis for the treatment of certain heart disordersverified
Digitalizationnounthe administration of digitalis for the treatment of certain heart disordersverified
Digitigrade MammalnounMWEan animal that walks so that only the toes touch the ground as e.g. dogs and cats and horsesverified
Digitoxinnoundigitalis preparation used to treat congestive heart failure or cardiac arrhythmiaverified
Digoxinnoundigitalis preparation (trade name Lanoxin) used to treat congestive heart failure or cardiac arrhythmiaverified
Digramnountwo successive letters (especially two letters used to represent a single sound: `sh' in `shoe')verified
Digraphnountwo successive letters (especially two letters used to represent a single sound: `sh' in `shoe')verified
Dihybridnouna hybrid produced by parents that differ only at two gene loci that have two alleles eachverified
Dihydroxyphenylalaninenounamino acid that is formed in the liver and converted into dopamine in the brainverified
Dika BreadnounMWEsomewhat astringent paste prepared by grinding and heating seeds of the African wild mangoverified
Dilatation and CurettagenounMWEa surgical procedure usually performed under local anesthesia in which the cervix is dilated and the endometrial lining of the uterus is scraped with a curetverified