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Glossary · MWE Terms · E

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TermTypeDefinitionClassificationsUpdated
Entertainment CenternounMWEa wall unit containing sound and television systemsverifiedMay 18, 2026
Entertainment DeductionnounMWEdeduction allowed for some (limited) kinds of entertainment for business purposesverifiedMay 18, 2026
Entertainment IndustrynounMWEthose involved in providing entertainment: radio and television and films and theaterverifiedMay 18, 2026
Entire LeafnounMWEa leaf having a smooth margin without notches or indentationsverifiedMay 18, 2026
Entopic PregnancynounMWEpregnancy resulting from normal gestation in the uterusverifiedMay 18, 2026
Entrance ExamnounMWEexamination to determine a candidate's preparation for a course of studiesverifiedMay 18, 2026
Entrance ExaminationnounMWEexamination to determine a candidate's preparation for a course of studiesverifiedMay 18, 2026
Entrance FeenounMWEthe fee charged for admissionverifiedMay 18, 2026
Entrance HallnounMWEa large entrance or reception room or areaverifiedMay 18, 2026
Entrance MoneynounMWEthe fee charged for admissionverifiedMay 18, 2026
entrance of a visitornounMWEThis Triggering Event takes place when a visitor enters the organization's facility.verifiedAug 30, 2026
Entrenching ToolnounMWEa hand shovel carried by infantrymen for digging trenchesverifiedMay 18, 2026
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.verifiedMay 9, 2026
Entry WordnounMWEthe form of a word that heads a lexical entry and is alphabetized in a dictionaryverifiedMay 18, 2026
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).verifiedAug 30, 2026
Environmental ConditionnounMWEthe state of the environmentverifiedMay 18, 2026
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.verifiedMay 9, 2026
Environmental SciencenounMWEthe branch of biology concerned with the relations between organisms and their environmentverifiedMay 18, 2026
Envoy ExtraordinarynounMWEa diplomat having less authority than an ambassadorverifiedMay 18, 2026
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)verifiedMay 18, 2026
Epacris FamilynounMWEAustralasian shrubs or small treesverifiedMay 18, 2026
Ephemeral KeynounMWEA cryptographic key that is generated for each execution of a key establishment process and that meets other requirements of the key type (e.g., unique to each message or session). In some cases, ephemeral keys are used more than once within a single session (e.g., broadcast applications) where the sender generates only one ephemeral key pair per message, and the private key is combined separately with each recipient’s public key.verifiedAug 30, 2026
Ephemeral PortnounMWEAlso called a transient port or a temporary port. Usually is on the client side. It is set up when a client application wants to connect to a server and is destroyed when the client application terminates. It has a number chosen at random that is greater than 1023.verifiedMay 9, 2026
Ephemeris TimenounMWE(astronomy) a measure of time defined by Earth's orbital motionverifiedMay 18, 2026
Epic PoemnounMWEa long narrative poem telling of a hero's deedsverifiedMay 18, 2026
Epic PoetrynounMWEpoetry celebrating the deeds of some heroverifiedMay 18, 2026
Epicanthic FoldnounMWEa vertical fold of skin over the nasal canthusverifiedMay 18, 2026
Epicene PersonnounMWEone having both male and female sexual characteristics and organsverifiedMay 18, 2026
Epicyclic GearnounMWEan outer gear that revolves about a central sun gear of an epicyclic trainverifiedMay 18, 2026
Epicyclic Gear TrainnounMWEa system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axisverifiedMay 18, 2026
Epicyclic TrainnounMWEa system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axisverifiedMay 18, 2026
Epideictic OratorynounMWEa type of oratory used to eulogize or condemn a person or group of peopleverifiedMay 18, 2026
Epidemic CholeranounMWEan acute intestinal infection caused by ingestion of contaminated water or foodverifiedMay 18, 2026
Epidemic DiseasenounMWEany infectious disease that develops and spreads rapidly to many peopleverifiedMay 18, 2026
Epidemic EncephalitisnounMWEan encephalitis that was epidemic between 1915 and 1926verifiedMay 18, 2026
Epidemic HysertianounMWEa condition in which a large group of people exhibit the same state of violent mental agitationverifiedMay 18, 2026
Epidemic MeningitisnounMWEmeningitis caused by bacteria and often fatalverifiedMay 18, 2026
Epidemic MyalgianounMWEan acute infectious disease occurring in epidemic form and featuring paroxysms of pain (usually in the chest)verifiedMay 18, 2026
Epidemic ParotitisnounMWEan acute contagious viral disease characterized by fever and by swelling of the parotid glandsverifiedMay 18, 2026
Epidemic PleurodynianounMWEan acute infectious disease occurring in epidemic form and featuring paroxysms of pain (usually in the chest)verifiedMay 18, 2026
Epidemic RoseolanounMWEa contagious viral disease that is a milder form of measles lasting three or four daysverifiedMay 18, 2026
Epidermal CellnounMWEany of the cells making up the epidermisverifiedMay 18, 2026
Epidural AnaesthesianounMWEregional anesthesia resulting from injection of an anesthetic into the epidural space of the spinal cordverifiedMay 18, 2026
Epidural AnesthesianounMWEregional anesthesia resulting from injection of an anesthetic into the epidural space of the spinal cordverifiedMay 18, 2026
Epidural InjectionnounMWEinjection of an anesthetic substance into the epidural space of the spinal cord in order to produce epidural anesthesiaverifiedMay 18, 2026
Epigastric ArterynounMWEone of three arteries supplying the anterior walls of the abdomenverifiedMay 18, 2026
Epigastric VeinnounMWEveins serving the anterior walls of the abdomenverifiedMay 18, 2026
Epilating WaxnounMWEa mixture of resins and waxes to remove cosmetically undesirable hairverifiedMay 18, 2026
Epilepsia MajornounMWEepilepsy in which the attacks involve loss of consciousness and tonic spasms of the musculature followed by generalized jerkingverifiedMay 18, 2026
Epilepsia MinornounMWEepilepsy characterized by paroxysmal attacks of brief clouding of consciousness (and possibly other abnormalities)verifiedMay 18, 2026
Epileptic SeizurenounMWEconvulsions accompanied by impaired consciousnessverifiedMay 18, 2026
Epiphysis CerebrinounMWEa small endocrine gland in the brainverifiedMay 18, 2026
Epiphytic PlantnounMWEplant that derives moisture and nutrients from the air and rainverifiedMay 18, 2026
Episcleral VeinsnounMWEsmall veins in the sclera near the corneal marginverifiedMay 18, 2026
Episodic MemorynounMWEmemory for episodes in your own lifeverifiedMay 18, 2026
Epistemic LogicnounMWEthe modal logic of knowledge and uncertainty and ignoranceverifiedMay 18, 2026
Epithelial CellnounMWEone of the closely packed cells forming the epitheliumverifiedMay 18, 2026
Epithelial DuctnounMWEa bodily passage or tube lined with epithelial cells and conveying a secretion or other substanceverifiedMay 18, 2026
Epithelial TissuenounMWEmembranous tissue covering internal organs and other internal surfaces of the bodyverifiedMay 18, 2026
Epitrochoidal EnginenounMWEa rotary engine that is a four-stroke internal-combustion engine without reciprocating partsverifiedMay 18, 2026
Epoxy GluenounMWEa thermosetting resinverifiedMay 18, 2026
Epoxy ResinnounMWEa thermosetting resinverifiedMay 18, 2026
Epsilon ToxinnounMWEa bacterial toxin produced by clostridium perfringensverifiedMay 18, 2026
Equal OpportunitynounMWEthe right to equivalent opportunities for employment regardless of race or color or sex or national originverifiedMay 18, 2026
Equal Protection of the LawsnounMWEa right guaranteed by the Fourteenth Amendment to the US Constitution and by the due-process clause of the Fifth AmendmentverifiedMay 18, 2026
Equal SignnounMWEa sign indicating that the quantities on either side are equalverifiedMay 18, 2026
Equal TemperamentnounMWEthe division of the scale based on an octave that is divided into twelve exactly equal semitonesverifiedMay 18, 2026
Equal toadjectiveMWEhaving the requisite qualities forcandidateMay 18, 2026
Equal-Area Map ProjectionnounMWEa map projection in which quadrilaterals formed by meridians and parallels have an area on the map proportional to their area on the globeverifiedMay 18, 2026
Equal-Area ProjectionnounMWEa map projection in which quadrilaterals formed by meridians and parallels have an area on the map proportional to their area on the globeverifiedMay 18, 2026
Equality Before the LawnounMWEthe right to equal protection of the lawsverifiedMay 18, 2026
Equality of OddsnounMWEThe probability of a person in the positive class being correctly assigned a positive outcome and the probability of a person in a negative class being incorrectly assigned a positive outcome should both be the same for the protected and unprotected group members. In other words, the protected and unprotected groups should have equal rates for true positives and false positives.verifiedAug 28, 2026
Equality of OpportunitynounMWEThe probability of a person in positive class being assigned to a positive outcome should be equal for both protected and unprotected group members. In other words, the protected and unprotected groups should have equal true positive rates.verifiedAug 28, 2026
Equalizing DividendnounMWEa dividend paid to compensate shareholders for losses resulting from a change in the dividend scheduleverifiedMay 18, 2026
Equatorial CurrentnounMWEany of the ocean currents that flow westward at the equatorverifiedMay 18, 2026
Equestrian SportnounMWEa sport that tests horsemanshipverifiedMay 18, 2026
Equiangular TrianglenounMWEa three-sided regular polygonverifiedMay 18, 2026
Equilateral TrianglenounMWEa three-sided regular polygonverifiedMay 18, 2026
Equilibrium ConstantnounMWE(chemistry) the ratio of concentrations when equilibrium is reached in a reversible reaction (when the rate of the forward reaction equals the rate of the reverse reaction)verifiedMay 18, 2026
Equilibrium LawnounMWE(chemistry) the principle that (at chemical equilibrium) in a reversible reaction the ratio of the rate of the forward reaction to the rate of the reverse reaction is a constant for that reactionverifiedMay 18, 2026
Equine DistempernounMWEan acute bacterial disease of horses characterized by inflammation of the mucous membranesverifiedMay 18, 2026
Equine EncephalitisnounMWEencephalitis caused by a virus that is transmitted by a mosquito from an infected horseverifiedMay 18, 2026
Equine EncephalomyelitisnounMWEencephalitis caused by a virus that is transmitted by a mosquito from an infected horseverifiedMay 18, 2026
Equinoctial CirclenounMWEthe great circle on the celestial sphere midway between the celestial polesverifiedMay 18, 2026
Equinoctial LinenounMWEthe great circle on the celestial sphere midway between the celestial polesverifiedMay 18, 2026
Equinoctial PointnounMWE(astronomy) either of the two celestial points at which the celestial equator intersects the eclipticverifiedMay 18, 2026
Equinoctial StormnounMWEa violent rainstorm near the time of an equinoxverifiedMay 18, 2026
Equinoctial YearnounMWEthe time for the earth to make one revolution around the sun, measured between two vernal equinoxesverifiedMay 18, 2026
Equipment CasualtynounMWEloss of military equipmentverifiedMay 18, 2026
Equipment FailurenounMWEa cessation of normal operationverifiedMay 18, 2026
Equity Credit LinenounMWEa loan secured by equity value in the borrower's homeverifiedMay 18, 2026
Equivalent WeightnounMWEthe atomic weight of an element that has the same combining capacity as a given weight of another elementverifiedMay 18, 2026
Equivalent WordnounMWEtwo words that can be interchanged in a context are said to be synonymous relative to that contextverifiedMay 18, 2026
Equivalent-Binary-Digit FactornounMWEthe average number of binary digits needed to express one radix digit in a numeration system that is not binaryverifiedMay 18, 2026
Erasable Programmable Read-Only MemorynounMWE(computer science) a read-only memory chip that can be erased by ultraviolet light and programmed again with new dataverifiedMay 18, 2026
Erect BuglenounMWEupright rhizomatous perennial with bright blue flowersverifiedMay 18, 2026
Erectile DysfunctionnounMWEimpotence resulting from a man's inability to have or maintain an erection of his penisverifiedMay 18, 2026
Erectile OrgannounMWEan organ containing erectile tissueverifiedMay 18, 2026
Erectile TissuenounMWEvascular tissue capable of filling with blood and becoming rigidverifiedMay 18, 2026
Erecting PrismnounMWEa right-angled optical prism used to turn an inverted image uprightverifiedMay 18, 2026