Glossary · Nouns · E
L1 — paginated flat list. Pick a POS, pick a letter.
TermTypeDefinitionClassificationsUpdated
Enterostomynounsurgical operation that creates a permanent opening through the abdominal wall into the intestineverified
Enterotomynounsurgical operation that creates a permanent opening through the abdominal wall into the intestineverified
Enterotoxemianouna disease of cattle and sheep that is attributed to toxins absorbed from the intestinesverified
Enterovirusnounany of a group of picornaviruses that infect the gastrointestinal tract and can spread to other areas (especially the nervous system)verified
EnterprisenounAn organization with a defined mission/goal and a defined boundary, using information systems to execute that mission, and with responsibility for managing its own risks and performance. An enterprise may consist of all or some of the following business aspects: acquisition, program management, financial management (e.g., budgets), human resources, security, and information systems, information and mission management.Organization
Enterprise ArchitecturenounMWEThe description of an enterprise’s entire set of information systems: how they are configured, how they are integrated, how they interface to the external environment at the enterprise’s boundary, how they are operated to support the enterprise mission, and how they contribute to the enterprise’s overall security posture.Framework
enterprise risk managementnounMWEThe methods and processes used by an enterprise to manage risks to its mission and to establish the trust necessary for the enterprise to support shared missions. It involves the identification of mission dependencies on enterprise capabilities, the identification and prioritization of risks due to defined threats, the implementation of countermeasures to provide both a static risk posture and an effective dynamic response to active threats; and it assesses enterprise performance against threats and adjusts countermeasures as necessary.Process
Enterprise ServicenounMWEA set of one or more computer applications and middleware systems hosted on computer hardware that provides standard information systems capabilities to end users and hosted mission applications and services.System
Enterprise-widenounAcross an entire organization, rather than a single business department or function.Organization
Entertainment DeductionnounMWEdeduction allowed for some (limited) kinds of entertainment for business purposesverified
Entertainment IndustrynounMWEthose involved in providing entertainment: radio and television and films and theaterverified
Enthalpynoun(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressureverified
EntitynounEither a subject (an active element that operates on information or the system state) or an object (a passive element that contains or receives information).candidate
Entoblastnounthe inner germ layer that develops into the lining of the digestive and respiratory systemsverified
Entodermnounthe inner germ layer that develops into the lining of the digestive and respiratory systemsverified
Entomionnounthe craniometric point at the tip of the angular part of the parietal bone that articulates with the temporal boneverified
Entoparasitenounany of various parasites that live in the internal organs of animals (especially intestinal worms)verified
Entozoonnounany of various parasites that live in the internal organs of animals (especially intestinal worms)verified
Entr'actenouna brief show (music or dance etc) inserted between the sections of a longer performanceverified
Entrance ExamnounMWEexamination to determine a candidate's preparation for a course of studiesverified
Entrance ExaminationnounMWEexamination to determine a candidate's preparation for a course of studiesverified
entrance of a visitornounMWEThis Triggering Event takes place when a visitor enters the organization's facility.EventInternal
EntrapmentnounDeliberate planting of apparent flaws in an IS for the purpose of detecting attempted penetrations.Control
EntreenounA dish served before the main course, outside of North America. Note that American English uses the same word to refer to the main dish.verified
Entrepotnouna port where merchandise can be imported and then exported without paying import dutiesverified
EntropynounA measure of the amount of uncertainty that an Attacker faces to determine the value of a secret. Entropy is usually stated in bits.Metric
entry pointnounMWEAn entry point is a memory address, corresponding to a point in the code of a computer program which is intended as destination of a long jump, be it internal or external.SystemRegulated
Entry WordnounMWEthe form of a word that heads a lexical entry and is alphabetized in a dictionaryverified
Enunciationnounthe articulation of speech regarded from the point of view of its intelligibility to the audienceverified
Enviousnessnouna feeling of grudging admiration and desire to have something that is possessed by anotherverified
EnvironmentnounAggregate of external procedures, conditions, and objects affecting the development, operation, and maintenance of an information system.System
Environment of OperationnounMWEThe physical, technical, and organizational setting in which an information system operates, including but not limited to: missions/business functions; mission/business processes; threat space; vulnerabilities; enterprise and information security architectures; personnel; facilities; supply chain relationships; information technologies; organizational governance and culture; acquisition and procurement processes; organizational policies and procedures; organizational assumptions, constraints, risk tolerance, and priorities/trade-offs).Physical
environmental controlnounMWEA mechanism that prevents or mitigates damage to facilities and interruptions in service. Smoke detectors, fire alarms and extinguishers, and uninterruptible power supplies are some examples of environmental controls.Control
Environmental SciencenounMWEthe branch of biology concerned with the relations between organisms and their environmentverified
Environmentalismnounthe philosophical doctrine that environment is more important than heredity in determining intellectual growthverified
Environmentalistnounsomeone who works to protect the environment from destruction or pollutionverified
Enzymenounany of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactionsverified
Enzyme-Linked-Immunosorbent Serologic AssaynounMWEan assay that relies on an enzymatic conversion reaction and is used to detect the presence of specific substances (such as enzymes or viruses or antibodies or bacteria)verified
Enzymologynounthe branch of biochemistry dealing with the chemical nature and biological activity of enzymesverified
Eonnoun(Gnosticism) a divine power or nature emanating from the Supreme Being and playing various roles in the operation of the universeverified