| durum | (noun) wheat with hard dark-colored kernels high in gluten and used for bread and pasta; grown especially in southern Russia, North Africa, and northern central North America | Synonyms: durum wheat, hard wheat, macaroni wheat, Triticum durum, Triticum turgidum |
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| dwarfism | (noun) a genetic abnormality resulting in short stature | Synonyms: nanism |
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| dynamism | (noun) the activeness of an energetic personality | Synonyms: oomph, pizzaz, pizzazz, zing |
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| (noun) active strength of body or mind | Synonyms: heartiness, vigor, vigour |
| (noun) any of the various theories or doctrines or philosophical systems that attempt to explain the phenomena of the universe in terms of some immanent force or energy | - |
| dysphemism | (noun) an offensive or disparaging expression that is substituted for an inoffensive one | - |
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| dysprosium | (noun) a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic | Synonyms: atomic number 66, Dy |
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| eardrum | (noun) the membrane in the ear that vibrates to sound | Synonyms: myringa, tympanic membrane, tympanum |
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| earldom | (noun) the domain controlled by an earl or count or countess | - |
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| (noun) the dignity or rank or position of an earl or countess | - |
| earthworm | (noun) terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers | Synonyms: angleworm, crawler, dew worm, fishing worm, fishworm, nightcrawler, nightwalker, red worm, wiggler |
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| ecclesiasticism | (noun) excessive adherence to ecclesiastical forms and activities | - |
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| (noun) religion appropriate to a church and to ecclesiastical principles and practices | - |
| echinoderm | (noun) marine invertebrates with tube feet and five-part radially symmetrical bodies | - |
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| echocardiogram | (noun) a graphical image of the heart produced by an echocardiograph | - |
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| echoencephalogram | (noun) a graphical image of the brain produced by an echoencephalograph | - |
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| echogram | (noun) an image of a structure that is produced by ultrasonography (reflections of high-frequency sound waves); used to observe fetal growth or to study bodily organs | Synonyms: sonogram |
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| eclecticism | (noun) making decisions on the basis of what seems best instead of following some single doctrine or style | Synonyms: eclectic method |
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| ecosystem | (noun) a system formed by the interaction of a community of organisms with their physical environment | - |
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| ecoterrorism | (noun) violence carried out to further the political or social objectives of the environmentalists | Synonyms: eco-warfare, ecological terrorism, ecological warfare |
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| ecotourism | (noun) tourism to exotic or threatened ecosystems to observe wildlife or to help preserve nature | - |
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| ectoderm | (noun) the outer germ layer that develops into skin and nervous tissue | Synonyms: ectoblast, exoderm |
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| ectoplasm | (noun) the outer granule-free layer of cytoplasm | - |
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| (noun) (spiritualism) a substance supposed to emanate from the body of the medium during a trance | - |
| ectotherm | (noun) an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals | Synonyms: poikilotherm |
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| ecumenicalism | (noun) (Christianity) the doctrine of the ecumenical movement that promotes cooperation and better understanding among different religious denominations: aimed at universal Christian unity | Synonyms: ecumenicism, ecumenism |
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| ecumenicism | (noun) (Christianity) the doctrine of the ecumenical movement that promotes cooperation and better understanding among different religious denominations: aimed at universal Christian unity | Synonyms: ecumenicalism, ecumenism |
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| ecumenism | (noun) (Christianity) the doctrine of the ecumenical movement that promotes cooperation and better understanding among different religious denominations: aimed at universal Christian unity | Synonyms: ecumenicalism, ecumenicism |
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| (noun) a movement promoting union between religions (especially between Christian churches) | Synonyms: oecumenism |
| eelworm | (noun) any of various small free-living plant-parasitic roundworms | - |
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| effluvium | (noun) a foul-smelling outflow or vapor (especially a gaseous waste) | - |
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| egalitarianism | (noun) the doctrine of the equality of mankind and the desirability of political and economic and social equality | Synonyms: equalitarianism |
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| egocentrism | (noun) concern for your own interests and welfare | Synonyms: egoism, self-centeredness, self-concern, self-interest |
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| egoism | (noun) concern for your own interests and welfare | Synonyms: egocentrism, self-centeredness, self-concern, self-interest |
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| (noun) (ethics) the theory that the pursuit of your own welfare is the basis of morality | - |
| egotism | (noun) an exaggerated opinion of your own importance | Synonyms: self-importance, swelled head |
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| (noun) an inflated feeling of pride in your superiority to others | Synonyms: ego, self-importance |
| einsteinium | (noun) a radioactive transuranic element produced by bombarding plutonium with neutrons | Synonyms: atomic number 99, E, Es |
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| electrocardiogram | (noun) a graphical recording of the cardiac cycle produced by an electrocardiograph | Synonyms: cardiogram, ECG, EKG |
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| electroencephalogram | (noun) a graphical record of electrical activity of the brain; produced by an electroencephalograph | Synonyms: EEG, encephalogram |
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| electromagnetism | (noun) the branch of physics concerned with electromagnetic phenomena | Synonyms: electromagnetics |
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| (noun) magnetism produced by an electric current | - |
| electromyogram | (noun) a graphical record of electric currents associated with muscle contractions | Synonyms: EMG |
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| electroretinogram | (noun) a graphical recording of the electrical activity of the retina that results when light is flashed into the eye | - |
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| electrum | (noun) an alloy of gold and silver | - |
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| elitism | (noun) the attitude that society should be governed by an elite group of individuals | - |
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| elm | (noun) any of various trees of the genus Ulmus: important timber or shade trees | Synonyms: elm tree |
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| (noun) hard tough wood of an elm tree; used for e.g. implements and furniture | Synonyms: elmwood |
| em | (noun) a quad with a square body | Synonyms: em quad, mutton quad |
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| (noun) a linear unit (1/6 inch) used in printing | Synonyms: pica, pica em |
| emblem | (noun) special design or visual object representing a quality, type, group, etc. | - |
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| (noun) a visible symbol representing an abstract idea | Synonyms: allegory |
| embolism | (noun) occlusion of a blood vessel by an embolus (a loose clot or air bubble or other particle) | - |
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| (noun) an insertion into a calendar | Synonyms: intercalation |
| emotionalism | (noun) emotional nature or quality | Synonyms: emotionality |
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| empiricism | (noun) the application of empirical methods in any art or science | - |
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| (noun) medical practice and advice based on observation and experience in ignorance of scientific findings | Synonyms: quackery |
| (noun) (philosophy) the doctrine that knowledge derives from experience | Synonyms: empiricist philosophy, sensationalism |
| emporium | (noun) a large retail store organized into departments offering a variety of merchandise; commonly part of a retail chain | Synonyms: department store |
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| emunctorium | (noun) a white linen cloth which is used to wipe the chalice after each communicant partakes. | Synonyms: purificator, purificatorium |
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| enanthem | (noun) eruption on a mucous membrane (as the inside of the mouth) occurring as a symptom of a disease | Synonyms: enanthema |
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| enantiomorphism | (noun) the relation of opposition between crystals or molecules that are reflections of one another | Synonyms: mirror-image relation |
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| encephalogram | (noun) an X ray of the brain made by replacing spinal fluid with a gas (usually oxygen) to improve contrast | Synonyms: pneumoencephalogram |
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| (noun) a graphical record of electrical activity of the brain; produced by an electroencephalograph | Synonyms: EEG, electroencephalogram |
| encomium | (noun) a formal expression of praise | Synonyms: eulogy, paean, panegyric, pean |
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| encyclopaedism | (noun) profound scholarly knowledge | Synonyms: encyclopedism, eruditeness, erudition, learnedness, learning, scholarship |
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| encyclopedism | (noun) profound scholarly knowledge | Synonyms: encyclopaedism, eruditeness, erudition, learnedness, learning, scholarship |
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| endaemonism | (noun) an ethical system that evaluates actions by reference to personal well-being through a life based on reason | Synonyms: eudemonism |
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| endemism | (noun) nativeness by virtue of originating or occurring naturally (as in a particular place) | Synonyms: autochthony, indigenousness |
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| endocardium | (noun) the membrane that lines the cavities of the heart and forms part of the heart valves | - |
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| endocranium | (noun) membrane lining the inside of the skull | - |
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| endoderm | (noun) the inner germ layer that develops into the lining of the digestive and respiratory systems | Synonyms: endoblast, entoblast, entoderm, hypoblast |
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| endometrium | (noun) (pregnancy) the mucous membrane that lines the uterus; thickens under hormonal control and (if pregnancy does not occur) is shed in menstruation; if pregnancy occurs it is shed along with the placenta at parturition | - |
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| endoneurium | (noun) delicate connective tissue around individual nerve fibers in nerve | - |
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| endoplasm | (noun) the inner portion of the cytoplasm of a cell | - |
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| endosperm | (noun) nutritive tissue surrounding the embryo within seeds of flowering plants | - |
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| endosteum | (noun) vascular membrane that lines the inner surface of long bones | - |
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| endothelium | (noun) an epithelium of mesoblastic origin; a thin layer of flattened cells that lines the inside of some body cavities | - |
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| energetism | (noun) the philosophical theory that energy is the substrate of all phenomena and that all observable changes can be interpreted as transformations of one kind of energy into another. | Synonyms: energetic monism |
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| engram | (noun) a postulated biochemical change (presumably in neural tissue) that represents a memory | Synonyms: memory trace |
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| enthusiasm | (noun) overflowing with eager enjoyment or approval | Synonyms: ebullience, exuberance |
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| (noun) a lively interest | - |
| (noun) a feeling of excitement | - |
| entoderm | (noun) the inner germ layer that develops into the lining of the digestive and respiratory systems | Synonyms: endoblast, endoderm, entoblast, hypoblast |
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| environmentalism | (noun) the activity of protecting the environment from pollution or destruction | - |
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| (noun) the philosophical doctrine that environment is more important than heredity in determining intellectual growth | - |
| epicardium | (noun) the innermost of the two layers of the pericardium | Synonyms: visceral pericardium |
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| epicranium | (noun) the muscle and aponeurosis and skin covering the cranium | - |
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| epicureanism | (noun) a doctrine of hedonism that was defended by several ancient Greek philosophers | - |
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| epicurism | (noun) the disposition and habits of an epicure | - |
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| epigastrium | (noun) the region lying on or over the stomach (just below the sternum) | - |
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| epigram | (noun) a witty saying | Synonyms: quip |
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| epimythium | (noun) a moral at the end of a story. | - |
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| epiphyllum | (noun) any cactus of the genus Epiphyllum having flattened jointed irregularly branching stems and showy tubular flowers | Synonyms: orchid cactus |
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| episperm | (noun) protective outer layer of seeds of flowering plants | Synonyms: seed coat, testa |
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| epithalamium | (noun) an ode honoring a bride and bridegroom | - |
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| epithelium | (noun) membranous tissue covering internal organs and other internal surfaces of the body | Synonyms: epithelial tissue |
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| eponym | (noun) the name derived from a person (real or imaginary) | - |
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| (noun) the person for whom something is named | - |
| equalitarianism | (noun) the doctrine of the equality of mankind and the desirability of political and economic and social equality | Synonyms: egalitarianism |
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| equilibrium | (noun) a sensory system located in structures of the inner ear that registers the orientation of the head | Synonyms: labyrinthine sense, sense of balance, sense of equilibrium, vestibular sense |
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| (noun) a chemical reaction and its reverse proceed at equal rates | Synonyms: chemical equilibrium |
| (noun) equality of distribution | Synonyms: balance, counterbalance, equipoise |
| (noun) a stable situation in which forces cancel one another | - |
| erbium | (noun) a trivalent metallic element of the rare earth group; occurs with yttrium | Synonyms: atomic number 68, Er |
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| eremitism | (noun) monasticism characterized by solitude in which the social dimension of life is sacrificed to the primacy of religious experience | - |
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| erethism | (noun) an abnormally high degree of irritability or sensitivity to stimulation of an organ or body part | - |
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| ergotism | (noun) poisoning by ingestion of ergot-infected grain products; characterized by thirst and diarrhea and nausea and cramping and vomiting and abnormal cardiac rhythms; in severe cases it can cause seizures and gangrene of the limbs | - |
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| ergotropism | (noun) an affinity for work | - |
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| eriogonum | (noun) any plant of the genus Eriogonum with small clustered flowers | - |
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| eroticism | (noun) the arousal of feelings of sexual desire | Synonyms: amativeness, amorousness, erotism, sexiness |
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| (noun) a state of anticipation of sexuality | Synonyms: erotism |
| erotism | (noun) the arousal of feelings of sexual desire | Synonyms: amativeness, amorousness, eroticism, sexiness |
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| (noun) a state of anticipation of sexuality | Synonyms: eroticism |
| erratum | (noun) a mistake in printed matter resulting from mechanical failures of some kind | Synonyms: literal, literal error, misprint, typo, typographical error |
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| escapism | (noun) an inclination to retreat from unpleasant realities through diversion or fantasy | Synonyms: escape |
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| establishmentarianism | (noun) the doctrine of supporting the social or political establishment | Synonyms: establishmentism |
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| establishmentism | (noun) the doctrine of supporting the social or political establishment | Synonyms: establishmentarianism |
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| estazolam | (noun) a frequently prescribed sleeping pill (trade name ProSom) | Synonyms: ProSom |
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| esteem | (noun) an attitude of admiration or esteem | Synonyms: regard, respect |
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| (noun) a feeling of delighted approval and liking | Synonyms: admiration |
| (noun) the condition of being honored (esteemed or respected or well regarded) | Synonyms: regard, respect |
| ethicism | (noun) a doctrine that ethics and ethical ideas are valid and important | - |
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| ethnocentrism | (noun) belief in the superiority of one's own ethnic group | - |
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| eubacterium | (noun) a large group of bacteria having rigid cell walls; motile types have flagella | Synonyms: eubacteria, true bacteria |
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| eudemonism | (noun) an ethical system that evaluates actions by reference to personal well-being through a life based on reason | Synonyms: endaemonism |
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| eulogium | (noun) a formal expression of praise for someone who has died recently | Synonyms: eulogy |
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