Glossary · Nouns · E
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TermTypeDefinitionClassificationsUpdated
Epiphyllumnounany cactus of the genus Epiphyllum having flattened jointed irregularly branching stems and showy tubular flowersverified
Epiplexisnouna rhetorical device in which the speaker reproaches the audience in order to incite or convince themverified
Episiotomynounsurgical incision of the perineum to enlarge the vagina and so facilitate delivery during childbirthverified
Episodenounfilm consisting of a succession of related shots that develop a given subject in a movieverified
EpisomenounDNA that is not incorporated into the genome but is replicated together with the genome (especially in bacterial cells)verified
Epispadiasnouna congenital abnormality in males in which the urethra is on the upper surface of the penisverified
Epistemenounthe body of ideas that determine the knowledge that is intellectually certain at any particular timeverified
Epitaxynoungrowing a crystal layer of one mineral on the crystal base of another mineral in such a manner that its crystalline orientation is the same as that of the substrateverified
Epithelial DuctnounMWEa bodily passage or tube lined with epithelial cells and conveying a secretion or other substanceverified
Epithelial TissuenounMWEmembranous tissue covering internal organs and other internal surfaces of the bodyverified
Epitheliumnounmembranous tissue covering internal organs and other internal surfaces of the bodyverified
Epitopenounthe site on the surface of an antigen molecule to which an antibody attaches itselfverified
Epitrochoidal EnginenounMWEa rotary engine that is a four-stroke internal-combustion engine without reciprocating partsverified
Epochnoun(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recordedverified
Eposnouna body of poetry that conveys the traditions of a society by treating some epic themeverified
Eqnounthe atomic weight of an element that has the same combining capacity as a given weight of another elementverified
Equal OpportunitynounMWEthe right to equivalent opportunities for employment regardless of race or color or sex or national originverified
Equal Protection of the LawsnounMWEa right guaranteed by the Fourteenth Amendment to the US Constitution and by the due-process clause of the Fifth Amendmentverified
Equal TemperamentnounMWEthe division of the scale based on an octave that is divided into twelve exactly equal semitonesverified
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 globeverified
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 globeverified
Equalitarianismnounthe doctrine of the equality of mankind and the desirability of political and economic and social equalityverified
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.Requirement
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.Requirement
Equalizing DividendnounMWEa dividend paid to compensate shareholders for losses resulting from a change in the dividend scheduleverified
Equatornounan imaginary line around the Earth forming the great circle that is equidistant from the north and south polesverified
Equidnounhoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neckverified
Equilibriumnouna sensory system located in structures of the inner ear that registers the orientation of the headverified
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)verified
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 reactionverified
Equine DistempernounMWEan acute bacterial disease of horses characterized by inflammation of the mucous membranesverified
Equine EncephalitisnounMWEencephalitis caused by a virus that is transmitted by a mosquito from an infected horseverified
Equine EncephalomyelitisnounMWEencephalitis caused by a virus that is transmitted by a mosquito from an infected horseverified
Equinoctial CirclenounMWEthe great circle on the celestial sphere midway between the celestial polesverified
Equinoctial LinenounMWEthe great circle on the celestial sphere midway between the celestial polesverified
Equinoctial PointnounMWE(astronomy) either of the two celestial points at which the celestial equator intersects the eclipticverified
Equinoctial YearnounMWEthe time for the earth to make one revolution around the sun, measured between two vernal equinoxesverified
Equinoxnouneither of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal lengthverified
Equitynounthe difference between the market value of a property and the claims held against itverified