| endoneurium | (noun) delicate connective tissue around individual nerve fibers in nerve | - |
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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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| enumeration | (noun) the act of counting; reciting numbers in ascending order | Synonyms: count, counting, numeration, reckoning, tally |
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| (noun) a numbered list | Synonyms: numbering |
| enumerator | (noun) someone who collects census data by visiting individual homes | Synonyms: census taker |
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| 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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| epigastrium | (noun) the region lying on or over the stomach (just below the sternum) | - |
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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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| 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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| 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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| eriogonum | (noun) any plant of the genus Eriogonum with small clustered flowers | - |
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| 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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| eubacterium | (noun) a large group of bacteria having rigid cell walls; motile types have flagella | Synonyms: eubacteria, true bacteria |
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| eulogium | (noun) a formal expression of praise for someone who has died recently | Synonyms: eulogy |
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| euphonium | (noun) a bass horn (brass wind instrument) that is the tenor of the tuba family | - |
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| euphorbium | (noun) an acrid brown gum resin now used mainly in veterinary medicine | Synonyms: gum eurphorbium |
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| europium | (noun) a bivalent and trivalent metallic element of the rare earth group | Synonyms: atomic number 63, Eu |
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| eusporangium | (noun) a sporangium that arises from a group of epidermal cells | - |
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| exhumation | (noun) the act of digging something up out of the ground (especially a corpse) where it has been buried | Synonyms: digging up, disinterment |
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| exordium | (noun) (rhetoric) the introductory section of an oration or discourse | - |
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| explanandum | (noun) (logic) a statement of something (a fact or thing or expression) to be explained | Synonyms: explicandum |
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| explicandum | (noun) (logic) a statement of something (a fact or thing or expression) to be explained | Synonyms: explanandum |
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| extremum | (noun) the point located farthest from the middle of something | Synonyms: extreme, extreme point |
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| (noun) the most extreme possible amount or value | Synonyms: peak |
| factotum | (noun) a servant employed to do a variety of jobs | - |
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| fermium | (noun) a radioactive transuranic metallic element produced by bombarding plutonium with neutrons | Synonyms: atomic number 100, Fm |
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| ferrocerium | (noun) a pyrophoric alloy of iron with cerium; used for lighter flints | - |
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| filum | (noun) a threadlike structure (as a chainlike series of cells) | Synonyms: filament |
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| flagellum | (noun) a lash-like appendage used for locomotion (e.g., in sperm cells and some bacteria and protozoa) | - |
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| (noun) a whip used to inflict punishment | Synonyms: scourge |
| flerovium | (noun) a radioactive transuranic element | Synonyms: Fl |
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| florilegium | (noun) an anthology of short literary pieces and poems and ballads etc. | Synonyms: garland, miscellany |
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| flume | (noun) watercourse that consists of an open artificial chute filled with water for power or for carrying logs | - |
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| (noun) a narrow gorge with a stream running through it | Synonyms: gulch |
| flummery | (noun) meaningless ceremonies and flattery | Synonyms: mummery |
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| (noun) a bland custard or pudding especially of oatmeal | - |
| folium | (noun) a thin layer or stratum of (especially metamorphic) rock | - |
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| forum | (noun) a public facility to meet for open discussion | Synonyms: assembly, meeting place |
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| (noun) a public meeting or assembly for open discussion | - |
| foumart | (noun) dark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatened | Synonyms: fitch, foulmart, Mustela putorius, polecat |
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| francium | (noun) a radioactive element of the alkali-metal group discovered as a disintegration product of actinium | Synonyms: atomic number 87, Fr |
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| frumenty | (noun) sweet spiced porridge made from hulled wheat | - |
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| frump | (noun) a dull unattractive unpleasant girl or woman | Synonyms: dog |
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| frustum | (noun) a truncated cone or pyramid; the part that is left when a cone or pyramid is cut by a plane parallel to the base and the apical part is removed | - |
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| fulcrum | (noun) the pivot about which a lever turns | - |
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| fumble | (noun) (sports) dropping the ball | Synonyms: muff |
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| fumbler | (noun) someone who makes mistakes because of incompetence | Synonyms: blunderer, botcher, bumbler, bungler, butcher, fuckup, sad sack, stumbler |
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| fume | (noun) a cloud of fine particles suspended in a gas | Synonyms: smoke |
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| fumeroot | (noun) delicate European herb with greyish leaves and spikes of purplish flowers; formerly used medicinally | Synonyms: Fumaria officinalis, fumewort, fumitory |
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| (noun) herb of northern Europe and Asia having erect racemes of red flowers | Synonyms: Corydalis solida, fumewort |
| fumes | (noun) gases ejected from an engine as waste products | Synonyms: exhaust, exhaust fumes |
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| fumewort | (noun) delicate European herb with greyish leaves and spikes of purplish flowers; formerly used medicinally | Synonyms: Fumaria officinalis, fumeroot, fumitory |
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| (noun) herb of northern Europe and Asia having erect racemes of red flowers | Synonyms: Corydalis solida, fumeroot |
| fumigant | (noun) a chemical substance used in fumigation | - |
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| fumigation | (noun) the application of a gas or smoke to something for the purpose of disinfecting it | - |
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| fumigator | (noun) a device that generates a gas for the purpose of disinfecting or eradicating pests | - |
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| (noun) someone whose job is to fumigate | - |
| fumitory | (noun) delicate European herb with greyish leaves and spikes of purplish flowers; formerly used medicinally | Synonyms: Fumaria officinalis, fumeroot, fumewort |
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| gadolinium | (noun) a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group | Synonyms: atomic number 64, Gd |
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| galbanum | (noun) a bitter aromatic gum resin that resembles asafetida | Synonyms: gum albanum |
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| gallium | (noun) a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores | Synonyms: atomic number 31, Ga |
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| gametangium | (noun) cell or organ in which gametes develop | - |
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| gametoecium | (noun) gametangia and surrounding bracts | - |
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| gastrolobium | (noun) any of various Australian evergreen shrubs of the genus Gastrolobium having whorled compound leaves poisonous to livestock and showy yellow to deep reddish-orange flowers followed by two-seeded pods | Synonyms: poison bush, poison pea |
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| geranium | (noun) any of numerous plants of the family Geraniaceae | - |
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| germanium | (noun) a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite | Synonyms: atomic number 32, Ge |
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| glochidium | (noun) a barbed spine or bristle (often tufted on cacti) | Synonyms: glochid |
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| glucinium | (noun) a light strong brittle grey toxic bivalent metallic element | Synonyms: atomic number 4, Be, beryllium |
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| glume | (noun) small dry membranous bract found in inflorescences of Gramineae and Cyperaceae | - |
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| glumness | (noun) a gloomy ill-tempered feeling | Synonyms: moroseness, sullenness |
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| (noun) an atmosphere of depression and melancholy | Synonyms: gloom, gloominess |
| gnetum | (noun) small tropical tree with tiered branches and divaricate branchlets having broad glossy dark green leaves; exploited for its edible young leaves and seeds that provide a fine flour | Synonyms: Gnetum gnemon |
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| goosebump | (noun) reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation | Synonyms: goose bump, goose pimple, goose skin, gooseflesh, horripilation, pilomotor reflex |
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| grumble | (noun) a complaint uttered in a low and indistinct tone | Synonyms: grumbling, murmur, murmuring, mutter, muttering |
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| (noun) a loud low dull continuous noise | Synonyms: grumbling, rumble, rumbling |
| grumbler | (noun) a person given to excessive complaints and crying and whining | Synonyms: bellyacher, complainer, crybaby, moaner, sniveller, squawker, whiner |
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| grumbling | (noun) a complaint uttered in a low and indistinct tone | Synonyms: grumble, murmur, murmuring, mutter, muttering |
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| (noun) a loud low dull continuous noise | Synonyms: grumble, rumble, rumbling |
| grume | (noun) a semisolid mass of coagulated red and white blood cells | Synonyms: blood clot |
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| (noun) a thick viscous liquid | - |
| grummet | (noun) fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines | Synonyms: cringle, eyelet, grommet, loop |
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| grump | (noun) a bad-tempered person | Synonyms: churl, crank, crosspatch, grouch |
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| grumpiness | (noun) a fussy and eccentric disposition | Synonyms: contrariness, crankiness, crotchetiness |
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| guaiacum | (noun) hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum | Synonyms: guaiac, lignum vitae |
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| (noun) medicinal resin from the lignum vitae tree | - |
| gum | (noun) the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth | Synonyms: gingiva |
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| (noun) a preparation (usually made of sweetened chicle) for chewing | Synonyms: chewing gum |
| (noun) any of various trees of the genera Eucalyptus or Liquidambar or Nyssa that are sources of gum | Synonyms: gum tree |
| (noun) wood or lumber from any of various gum trees especially the sweet gum | Synonyms: gumwood |
| (noun) any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying | - |
| (noun) cement consisting of a sticky substance that is used as an adhesive | Synonyms: glue, mucilage |
| gumbo | (noun) a soup or stew thickened with okra pods | - |
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| (noun) long mucilaginous green pods; may be simmered or sauteed but used especially in soups and stews | Synonyms: okra |
| (noun) tall coarse annual of Old World tropics widely cultivated in southern United States and West Indies for its long mucilaginous green pods used as basis for soups and stews; sometimes placed in genus Hibiscus | Synonyms: Abelmoschus esculentus, Hibiscus esculentus, lady's-finger, okra, okra plant |
| (noun) any of various fine-grained silty soils that become waxy and very sticky mud when saturated with water | Synonyms: gumbo soil |
| gumboil | (noun) a boil or abscess on the gums | - |
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| gumdrop | (noun) a jellied candy coated with sugar crystals | - |
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| gumma | (noun) a small rubbery granuloma that is characteristic of an advanced stage of syphilis | - |
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| gumminess | (noun) the property of being cohesive and sticky | Synonyms: cohesiveness, glueyness, gluiness, ropiness, tackiness, viscidity, viscidness |
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| gumming | (noun) ineffectual chewing (as if without teeth) | Synonyms: mumbling |
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| gummite | (noun) a gummy orange mixture of uranium oxides and silicates occurring naturally in the hydration and oxidation of pitchblende | - |
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| gummosis | (noun) pathological production of gummy exudates in citrus and various stone-fruit trees | - |
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| (noun) disease of citrus trees caused by the fungus Phytophthora citrophthora | Synonyms: brown rot gummosis |
| gumption | (noun) fortitude and determination | Synonyms: backbone, grit, guts, moxie, sand |
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| (noun) sound practical judgment | Synonyms: common sense, good sense, horse sense, mother wit, sense |
| gumshield | (noun) (especially boxing) equipment that protects an athlete's mouth | Synonyms: mouthpiece |
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| gumshoe | (noun) a waterproof overshoe that protects shoes from water or snow | Synonyms: arctic, galosh, golosh, rubber |
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| (noun) someone who is a detective | Synonyms: dick, hawkshaw |
| gumweed | (noun) any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock | Synonyms: gum plant, rosinweed, tarweed |
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| gumwood | (noun) wood or lumber from any of various gum trees especially the sweet gum | Synonyms: gum |
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| gymnasium | (noun) athletic facility equipped for sports or physical training | Synonyms: gym |
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| gynoecium | (noun) a female gametoecium | - |
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| gynostegium | (noun) the crown of the stamen in plants of the genus Asclepias | - |
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| gypsum | (noun) a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris) | - |
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| hafnium | (noun) a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons | Synonyms: atomic number 72, Hf |
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| hahnium | (noun) a transuranic element with atomic number 105 | Synonyms: atomic number 105, Db, dubnium, element 105 |
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| halobacterium | (noun) halophiles in saline environments such as the Dead Sea or salt flats | Synonyms: halobacter, halobacteria |
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| hanuman | (noun) langur of southern Asia; regarded as sacred in India | Synonyms: entellus, Presbytes entellus, Semnopithecus entellus |
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| harmonium | (noun) a free-reeded instrument with a piano keyboard in which air is forced through the reeds by bellows | Synonyms: organ, reed organ |
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| hassium | (noun) a radioactive transuranic element, with atomic number 108 | Synonyms: atomic number 108, element 108, Hs |
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