| doctrinal | (adjective) relating to or involving or preoccupied with doctrine | - |
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| documental | (adjective) relating to or consisting of or derived from documents | Synonyms: documentary |
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| doggerel | (noun) a comic verse of irregular measure | Synonyms: doggerel verse, jingle |
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| dogmatical | (adjective) characterized by assertion of unproved or unprovable principles | Synonyms: dogmatic |
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| dol | (noun) a unit of pain intensity | - |
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| doleful | (adjective) filled with or evoking sadness | Synonyms: mournful |
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| dolichocranial | (adjective) having a relatively long head with a cephalic index of under 75 | Synonyms: dolichocephalic, dolichocranic |
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| doll | (noun) a small replica of a person; used as a toy | Synonyms: dolly |
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| (noun) informal terms for a (young) woman | Synonyms: bird, chick, dame, skirt, wench |
| dominical | (adjective) of or relating to Sunday as the Lord's Day | - |
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| (adjective) of or relating to or coming from Jesus Christ | - |
| doorbell | (noun) a push button at an outer door that gives a ringing or buzzing signal when pushed | Synonyms: bell, buzzer |
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| doornail | (noun) a nail with a large head; formerly used to decorate doors | - |
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| doorsill | (noun) the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway | Synonyms: doorstep, threshold |
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| dorsal | (adjective) belonging to or on or near the back or upper surface of an animal or organ or part | - |
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| (adjective) facing away from the axis of an organ or organism | Synonyms: abaxial |
| dorsoventral | (adjective) extending from the back to the belly | - |
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| dossal | (noun) an ornamental hanging of rich fabric hung behind the altar of a church or at the sides of a chancel | Synonyms: dossel |
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| dossel | (noun) an ornamental hanging of rich fabric hung behind the altar of a church or at the sides of a chancel | Synonyms: dossal |
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| dotrel | (noun) rare plover of upland areas of Eurasia | Synonyms: Charadrius morinellus, dotterel, Eudromias morinellus |
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| dotterel | (noun) rare plover of upland areas of Eurasia | Synonyms: Charadrius morinellus, dotrel, Eudromias morinellus |
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| doubtful | (adjective) open to doubt or suspicion | Synonyms: dubious, dubitable, in question |
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| (adjective) fraught with uncertainty or doubt | Synonyms: dubious |
| (adjective) unsettled in mind or opinion | Synonyms: tentative |
| dovetail | (noun) a mortise joint formed by interlocking tenons and mortises | Synonyms: dovetail joint |
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| (verb) fit together tightly, as if by means of a dovetail | - |
| dowel | (noun) a fastener that is inserted into holes in two adjacent pieces and holds them together | Synonyms: dowel pin, joggle |
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| downfall | (noun) a sudden decline in strength or number or importance | Synonyms: fall |
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| (noun) failure that results in a loss of position or reputation | Synonyms: ruin, ruination |
| (noun) the falling to earth of any form of water (rain or snow or hail or sleet or mist) | Synonyms: precipitation |
| downhill | (adjective) sloping down rather steeply | Synonyms: declivitous, downward-sloping |
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| (noun) a ski race down a trail | - |
| (noun) the downward slope of a hill | - |
| (adverb) toward the bottom of a hill | - |
| (adverb) toward a lower or inferior state | - |
| dramaturgical | (adjective) relating to the technical aspects of drama | Synonyms: dramaturgic |
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| drawl | (noun) a slow speech pattern with prolonged vowels | - |
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| (verb) lengthen and slow down or draw out | - |
| dreadful | (adjective) causing fear or dread or terror | Synonyms: awful, dire, direful, dread, dreaded, fearful, fearsome, frightening, horrendous, horrific, terrible |
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| (adjective) exceptionally bad or displeasing | Synonyms: abominable, atrocious, awful, painful, terrible, unspeakable |
| (adjective) extremely disagreeable and unpleasant | - |
| drill | (noun) systematic training by multiple repetitions | Synonyms: exercise, practice, practice session, recitation |
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| (noun) (military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms | - |
| (noun) similar to the mandrill but smaller and less brightly colored | Synonyms: Mandrillus leucophaeus |
| (noun) a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) | - |
| (verb) learn by repetition | Synonyms: exercise, practice, practise |
| (verb) teach by repetition | - |
| (verb) train in the military, e.g., in the use of weapons | - |
| (verb) undergo military training or do military exercises | - |
| (verb) make a hole, especially with a pointed power or hand tool | Synonyms: bore |
| drivel | (noun) saliva spilling from the mouth | Synonyms: dribble, drool, slobber |
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| (noun) a worthless message | Synonyms: garbage |
| (verb) let saliva drivel from the mouth | Synonyms: dribble, drool, slabber, slaver, slobber |
| droll | (adjective) comical in an odd or whimsical manner | - |
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| dronabinol | (noun) psychoactive substance present in marijuana; used therapeutically to control nausea associated with cancer therapy | - |
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| drool | (noun) saliva spilling from the mouth | Synonyms: dribble, drivel, slobber |
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| (noun) pretentious or silly talk or writing | Synonyms: baloney, bilgewater, boloney, bosh, humbug, taradiddle, tarradiddle, tommyrot, tosh, twaddle |
| (verb) let saliva drivel from the mouth | Synonyms: dribble, drivel, slabber, slaver, slobber |
| (verb) be envious, desirous, eager for, or extremely happy about something | Synonyms: salivate |
| dropsical | (adjective) swollen with an excessive accumulation of fluid | Synonyms: edematous |
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| drywall | (noun) a wide flat board used to cover walls or partitions; made from plaster or wood pulp or other materials and used primarily to form the interior walls of houses | Synonyms: dry wall, wallboard |
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| dual | (adjective) consisting of or involving two parts or components usually in pairs | Synonyms: double, duple |
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| (adjective) a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural) | - |
| (adjective) having more than one decidedly dissimilar aspects or qualities | Synonyms: double, three-fold, threefold, treble, two-fold, twofold |
| ducal | (adjective) of or belonging to or suitable for a duke | - |
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| duckbill | (adjective) having a beak resembling that of a duck | Synonyms: duck-billed |
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| (noun) small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae | Synonyms: duck-billed platypus, duckbilled platypus, Ornithorhynchus anatinus, platypus |
| (noun) primitive fish of the Mississippi valley having a long paddle-shaped snout | Synonyms: paddlefish, Polyodon spathula |
| duel | (noun) a prearranged fight with deadly weapons by two people (accompanied by seconds) in order to settle a quarrel over a point of honor | Synonyms: affaire d'honneur |
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| (noun) any struggle between two skillful opponents (individuals or groups) | - |
| (verb) fight a duel, as over one's honor or a woman | - |
| duffel | (noun) a coarse heavy woolen fabric | Synonyms: duffle |
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| (noun) a large cylindrical bag of heavy cloth; for carrying personal belongings | Synonyms: duffel bag, duffle, duffle bag |
| dull | (adjective) not having a sharp edge or point | - |
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| (adjective) emitting or reflecting very little light | - |
| (adjective) lacking in liveliness or animation | - |
| (adjective) not keenly felt | - |
| (adjective) darkened with overcast | Synonyms: leaden |
| (adjective) (of business) not active or brisk | Synonyms: slow, sluggish |
| (adjective) blunted in responsiveness or sensibility | - |
| (adjective) being or made softer or less loud or clear | Synonyms: muffled, muted, softened |
| (adjective) slow to learn or understand; lacking intellectual acuity | Synonyms: dense, dim, dumb, obtuse, slow |
| (adjective) not clear and resonant; sounding as if striking with or against something relatively soft | Synonyms: thudding |
| (adjective) (of color) very low in saturation; highly diluted | - |
| (adjective) so lacking in interest as to cause mental weariness | Synonyms: boring, deadening, ho-hum, irksome, slow, tedious, tiresome, wearisome |
| (verb) become dull or lusterless in appearance; lose shine or brightness | - |
| (verb) make less lively or vigorous | - |
| (verb) become less interesting or attractive | Synonyms: pall |
| (verb) make dull in appearance | - |
| (verb) make dull or blunt | Synonyms: blunt |
| (verb) deaden (a sound or noise), especially by wrapping | Synonyms: damp, dampen, muffle, mute, tone down |
| (verb) make numb or insensitive | Synonyms: benumb, blunt, numb |
| dumbbell | (noun) an exercising weight; two spheres connected by a short bar that serves as a handle | - |
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| (noun) an ignorant or foolish person | Synonyms: boob, booby, dope, dummy, pinhead |
| duncical | (adjective) (used informally) stupid | Synonyms: blockheaded, boneheaded, duncish, fatheaded, loggerheaded, thick-skulled, thick, thickheaded, wooden-headed |
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| dunghill | (noun) a heap of dung or refuse | Synonyms: midden, muckheap, muckhill |
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| (noun) a foul or degraded condition | - |
| duodecimal | (adjective) based on twelve | - |
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| (noun) one part in twelve equal parts | Synonyms: one-twelfth, twelfth, twelfth part |
| duodenal | (adjective) in or relating to the duodenum | - |
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| dural | (adjective) of or relating to the dura mater | - |
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| dustpanful | (noun) the quantity that a dustpan will hold | Synonyms: dustpan |
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| dutiful | (adjective) willingly obedient out of a sense of duty and respect | Synonyms: duteous |
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| dwell | (verb) think moodily or anxiously about something | Synonyms: brood |
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| (verb) come back to | Synonyms: harp |
| (verb) be an inhabitant of or reside in | Synonyms: inhabit, live, populate |
| (verb) originate (in) | Synonyms: consist, lie, lie in |
| (verb) exist or be situated within | Synonyms: inhabit |
| dynamical | (adjective) characterized by action or forcefulness or force of personality | Synonyms: dynamic |
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| dysfunctional | (adjective) impaired in function; especially of a bodily system or organ | - |
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| (adjective) (of a trait or condition) failing to serve an adjustive purpose | Synonyms: nonadaptive |
| dyspneal | (adjective) not breathing or able to breathe except with difficulty | Synonyms: breathless, dyspneic, dyspnoeal, dyspnoeic |
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| dyspnoeal | (adjective) not breathing or able to breathe except with difficulty | Synonyms: breathless, dyspneal, dyspneic, dyspnoeic |
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| earful | (noun) a severe scolding | Synonyms: bawling out, castigation, chewing out, dressing down, going-over, upbraiding |
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| (noun) an outpouring of gossip | - |
| earl | (noun) a British peer ranking below a marquess and above a viscount | - |
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| earthball | (noun) any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles | Synonyms: false truffle, hard-skinned puffball, puffball |
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| easel | (noun) an upright tripod for displaying something (usually an artist's canvas) | - |
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| ecclesiastical | (adjective) of or associated with a church (especially a Christian Church) | Synonyms: ecclesiastic |
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| ecological | (adjective) of or relating to the science of ecology | Synonyms: bionomic, bionomical, ecologic |
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| (adjective) characterized by the interdependence of living organisms in an environment | Synonyms: ecologic |
| economical | (adjective) of or relating to an economy, the system of production and management of material wealth | Synonyms: economic |
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| (adjective) using the minimum of time or resources necessary for effectiveness | Synonyms: economic |
| (adjective) avoiding waste | Synonyms: frugal, scotch, sparing, stinting |
| ectodermal | (adjective) of or relating to the ectoderm | Synonyms: ectodermic |
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| ecumenical | (adjective) of worldwide scope or applicability | Synonyms: cosmopolitan, general, oecumenical, universal, world-wide, worldwide |
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| (adjective) concerned with promoting unity among churches or religions | Synonyms: ecumenic, oecumenic, oecumenical |
| edental | (adjective) having few if any teeth | Synonyms: edentate, edentulate |
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| editorial | (adjective) of or relating to an article stating opinions or giving perspectives | - |
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| (adjective) relating to or characteristic of an editor | - |
| (noun) an article giving opinions or perspectives | Synonyms: column, newspaper column |
| educational | (adjective) relating to the process of education | - |
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| (adjective) providing knowledge | - |
| eel | (noun) voracious snakelike marine or freshwater fishes with smooth slimy usually scaleless skin and having a continuous vertical fin but no ventral fins | - |
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| (noun) the fatty flesh of eel; an elongate fish found in fresh water in Europe and America; large eels are usually smoked or pickled | - |
| effectual | (adjective) producing or capable of producing an intended result or having a striking effect | Synonyms: effective, efficacious |
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| (adjective) having legal efficacy or force | Synonyms: legal, sound |
| effortful | (adjective) requiring great physical effort | - |
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| eggshell | (noun) the exterior covering of a bird's egg | Synonyms: shell |
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| egoistical | (adjective) concerned chiefly or only with yourself and your advantage to the exclusion of others | Synonyms: egocentric, egoistic, self-centered, self-centred, self-seeking, self-serving, selfish |
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| egotistical | (adjective) characteristic of false pride; having an exaggerated sense of self-importance | Synonyms: conceited, egotistic, self-conceited, swollen-headed, swollen, vain |
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| (adjective) characteristic of those having an inflated idea of their own importance | Synonyms: egotistic, narcissistic, self-loving |
| el | (noun) a railway that is powered by electricity and that runs on a track that is raised above the street level | Synonyms: elevated, elevated railroad, elevated railway, overhead railway |
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| electoral | (adjective) of or relating to elections | - |
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| (adjective) relating to or composed of electors | - |
| electrical | (adjective) relating to or concerned with electricity | - |
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| (adjective) using or providing or producing or transmitting or operated by electricity | Synonyms: electric |
| electrochemical | (adjective) of or involving electrochemistry | - |
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| electromechanical | (adjective) of or relating to or involving an electrically operated mechanical device | - |
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| electroneutral | (adjective) having no net electric charge | Synonyms: neutral |
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| elemental | (adjective) relating to or being an element | - |
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| (adjective) relating to severe atmospheric conditions | - |
| (adjective) of or being the essential or basic part | Synonyms: basal, elementary, primary |
| ell | (noun) an extension at the end and at right angles to the main building | - |
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| ellipsoidal | (adjective) having the nature or shape of an ellipsoid | Synonyms: ellipsoid, spheroidal |
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| elliptical | (adjective) characterized by extreme economy of expression or omission of superfluous elements | Synonyms: elliptic |
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| (adjective) rounded like an egg | Synonyms: egg-shaped, elliptic, oval-shaped, oval, ovate, oviform, ovoid, prolate |
| email | (noun) (computer science) a system of world-wide electronic communication in which a computer user can compose a message at one terminal that can be regenerated at the recipient's terminal when the recipient logs in | Synonyms: e-mail, electronic mail |
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| (verb) communicate electronically on the computer | Synonyms: e-mail, netmail |
| emblematical | (adjective) serving as a visible symbol for something abstract | Synonyms: emblematic, symbolic, symbolical |
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| embroil | (verb) force into some kind of situation, condition, or course of action | Synonyms: drag, drag in, sweep, sweep up, tangle |
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| embryonal | (adjective) of an organism prior to birth or hatching | Synonyms: embryologic, embryonic |
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| emotional | (adjective) of more than usual emotion | - |
|---|
| (adjective) determined or actuated by emotion rather than reason | - |
| (adjective) of or pertaining to emotion | - |
| (adjective) (of persons) excessively affected by emotion | Synonyms: aroused, excited, worked up |
| empanel | (verb) select from a list | Synonyms: impanel, panel |
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| (verb) enter into a list of prospective jurors | Synonyms: impanel |
| empirical | (adjective) derived from experiment and observation rather than theory | Synonyms: empiric |
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| (adjective) relying on medical quackery | Synonyms: empiric |
| empyreal | (adjective) of or relating to the sky or heavens | Synonyms: empyrean |
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| (adjective) inspiring awe | Synonyms: empyrean, sublime |
| enalapril | (noun) an ACE inhibitor (trade name Vasotec) that blocks the formation of angiotensin in the kidney and so results in vasodilation; administered after heart attacks | Synonyms: Vasotec |
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| enamel | (noun) any smooth glossy coating that resembles ceramic glaze | - |
|---|
| (noun) a paint that dries to a hard glossy finish | - |
| (noun) hard white substance covering the crown of a tooth | Synonyms: tooth enamel |
| (noun) a colored glassy compound (opaque or partially opaque) that is fused to the surface of metal or glass or pottery for decoration or protection | - |
| (verb) coat, inlay, or surface with enamel | - |
| encyclical | (adjective) intended for wide distribution | - |
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| (noun) a letter from the pope sent to all Roman Catholic bishops throughout the world | Synonyms: encyclical letter |
| endemical | (adjective) of or relating to a disease (or anything resembling a disease) constantly present to greater or lesser extent in a particular locality | Synonyms: endemic |
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| endocrinal | (adjective) of or belonging to endocrine glands or their secretions | Synonyms: endocrine |
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| endometrial | (adjective) of or relating to the endometrium | - |
|---|
| endothelial | (adjective) of or relating to or located in the endothelium | - |
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| endothermal | (adjective) (of a chemical reaction or compound) occurring or formed with absorption of heat | Synonyms: endothermic, heat-absorbing |
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| enigmatical | (adjective) not clear to the understanding | Synonyms: enigmatic, puzzling |
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| enol | (noun) an organic compound that contains a hydroxyl group bonded to a carbon atom which in turn is doubly bonded to another carbon atom | - |
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| enrol | (verb) register formally as a participant or member | Synonyms: enroll, enter, inscribe, raise, recruit |
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| enroll | (verb) register formally as a participant or member | Synonyms: enrol, enter, inscribe, raise, recruit |
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