| acetylcholine | (noun) a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems | - |
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| adrenaline | (noun) a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action | Synonyms: Adrenalin, epinephrin, epinephrine |
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| agammaglobulinemia | (noun) a rare immunological disorder characterized by the virtual absence of gamma globulin in the blood and consequent susceptibility to infection | - |
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| airline | (noun) a commercial enterprise that provides scheduled flights for passengers | Synonyms: airline business, airway |
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| (noun) a hose that carries air under pressure | Synonyms: air hose |
| airliner | (noun) a commercial airplane that carries passengers | - |
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| aline | (verb) place in a line or arrange so as to be parallel or straight | Synonyms: adjust, align, line up |
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| alinement | (noun) an organization of people (or countries) involved in a pact or treaty | Synonyms: alignment, alliance, coalition |
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| alkaline | (adjective) relating to or containing an alkali; having a pH greater than 7 | Synonyms: alkalic |
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| aminophylline | (noun) a theophylline derivative that is used as a bronchodilator in the treatment of bronchial asthma, emphysema, and bronchitis | - |
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| amitriptyline | (noun) a tricyclic antidepressant drug (trade name Elavil) with serious side effects; interacts with many other medications | Synonyms: amitriptyline hydrochloride, Elavil |
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| amygdaline | (adjective) related to or resembling an almond | - |
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| aniline | (noun) oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines | Synonyms: aminobenzine, aniline oil, phenylamine |
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| anopheline | (adjective) relating to or characteristic of malaria mosquitoes | - |
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| (noun) any mosquito of the genus Anopheles | - |
| anticholinergic | (adjective) inhibiting or blocking the action of acetylcholine at a receptor site | - |
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| (noun) a substance that opposes or blocks the action of acetylcholine | Synonyms: anticholinergic drug |
| anticholinesterase | (noun) a medicine that inhibits cholinesterase by combining with it and so has a cholinergic effect | - |
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| aquiline | (adjective) curved down like an eagle's beak | Synonyms: hooked |
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| balkline | (noun) line across a billiard table behind which the cue balls are placed at the start of a game | Synonyms: baulk-line, string line |
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| baseline | (noun) the lines a baseball player must follow while running the bases | - |
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| (noun) the back line bounding each end of a tennis or handball court; when serving the server must not step over this line | Synonyms: service line |
| (noun) an imaginary line or standard by which things are measured or compared | - |
| beastliness | (noun) unpleasant nastiness; used especially of nasty weather | - |
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| (noun) the quality of being deliberately mean | Synonyms: meanness |
| beeline | (noun) the most direct route | - |
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| bilinear | (adjective) linear with respect to each of two variables or positions | - |
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| bloodline | (noun) ancestry of a purebred animal | Synonyms: pedigree |
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| (noun) the hereditary derivation of an individual | Synonyms: ancestry, blood, blood line, descent, line, line of descent, lineage, origin, parentage, pedigree, stemma, stock |
| borderline | (adjective) of questionable or minimal quality | Synonyms: marginal |
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| (noun) a line that indicates a boundary | Synonyms: border, boundary line, delimitation, mete |
| bowline | (noun) a loop knot that neither slips nor jams | Synonyms: bowline knot |
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| breadline | (noun) a queue of people waiting for free food | Synonyms: bread line |
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| bristliness | (noun) the quality of being covered with prickly thorns or spines | Synonyms: prickliness, spininess, thorniness |
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| bubaline | (adjective) relating to or resembling a buffalo | - |
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| bubbliness | (noun) the property of giving off bubbles | Synonyms: effervescence, frothiness |
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| cauline | (adjective) especially of leaves; growing on a stem especially on the upper part of a stem | - |
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| (adjective) (of plants) producing a well-developed stem above ground | Synonyms: caulescent, stemmed |
| centerline | (noun) a line that bisects a plane figure | Synonyms: center line |
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| chilliness | (noun) the property of being moderately cold | Synonyms: coolness, nip |
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| (noun) a lack of affection or enthusiasm | Synonyms: coldness, coolness, frigidity, frigidness, iciness |
| chlortetracycline | (noun) a yellow crystalline antibiotic (trade name Aureomycin) used to treat certain bacterial and rickettsial diseases | Synonyms: Aureomycin |
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| choline | (noun) a B-complex vitamin that is a constituent of lecithin; essential in the metabolism of fat | - |
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| cholinergic | (adjective) releasing or activated by acetylcholine or a related compound | - |
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| cholinesterase | (noun) an enzyme that hydrolyses acetylcholine (into choline and acetic acid) | - |
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| citrulline | (noun) an amino acid that does not occur in proteins but is an intermediate in the conversion of ornithine to arginine | - |
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| cleanliness | (noun) diligence in keeping clean | - |
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| (noun) the habit of keeping free of superficial imperfections | - |
| clothesline | (noun) a cord on which clothes are hung to dry | - |
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| coastline | (noun) the outline of a coast | - |
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| collinear | (adjective) lying on the same line | - |
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| comeliness | (noun) the quality of being good looking and attractive | Synonyms: beauteousness, fairness, loveliness |
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| compline | (noun) last of the seven canonical hours just before retiring | Synonyms: complin |
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| comradeliness | (noun) the quality of affording easy familiarity and sociability | Synonyms: camaraderie, chumminess, comradery, comradeship |
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| copaline | (noun) partly mineralized copal dug from the ground | Synonyms: copalite, fossil copal |
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| costliness | (noun) the quality possessed by something with a great price or value | Synonyms: dearness, preciousness |
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| courtliness | (noun) elegance suggestive of a royal court | - |
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| cowardliness | (noun) the trait of lacking courage | Synonyms: cowardice |
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| crinoline | (noun) a stiff coarse fabric used to stiffen hats or clothing | - |
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| (noun) a full stiff petticoat made of crinoline fabric | - |
| (noun) a skirt stiffened with hoops | Synonyms: hoopskirt |
| crumbliness | (noun) excessive breakableness | Synonyms: friability |
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| crystalline | (adjective) consisting of or containing or of the nature of crystals | - |
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| (adjective) transmitting light; able to be seen through with clarity | Synonyms: crystal clear, limpid, lucid, pellucid, transparent |
| (adjective) distinctly or sharply outlined | - |
| curliness | (noun) (of hair) a tendency to curl | Synonyms: waviness |
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| curvilineal | (adjective) characterized by or following a curved line | Synonyms: curvilinear |
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| curvilinear | (adjective) characterized by or following a curved line | Synonyms: curvilineal |
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| dastardliness | (noun) despicable cowardice | - |
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| dateline | (noun) a line at the beginning of a news article giving the date and place of origin of the news dispatch | - |
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| (noun) an imaginary line on the surface of the earth following (approximately) the 180th meridian | Synonyms: date line, International Date Line |
| (verb) mark with a date and place | Synonyms: date-mark, datemark |
| deadline | (noun) the point in time at which something must be completed | - |
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| deadliness | (noun) the quality of being deadly | Synonyms: lethality |
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| decline | (noun) a downward slope or bend | Synonyms: declension, declination, declivity, descent, downslope, fall |
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| (noun) a gradual decrease; as of stored charge or current | Synonyms: decay |
| (noun) change toward something smaller or lower | Synonyms: diminution |
| (noun) a condition inferior to an earlier condition; a gradual falling off from a better state; decline | Synonyms: declination |
| (verb) grow smaller | Synonyms: go down, wane |
| (verb) grow worse | Synonyms: worsen |
| (verb) show unwillingness towards | Synonyms: refuse |
| (verb) inflect for number, gender, case, etc. | - |
| (verb) go down | - |
| (verb) fall in value | Synonyms: correct, slump |
| (verb) not accept as true | Synonyms: pass up, refuse, reject, turn down |
| delineate | (adjective) represented accurately or precisely | Synonyms: delineated, represented |
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| (verb) describe in vivid detail | - |
| (verb) make a mark or lines on a surface | Synonyms: describe, draw, line, trace |
| (verb) trace the shape of | Synonyms: limn, outline |
| (verb) determine the essential quality of | Synonyms: define, delimit, delimitate, specify |
| (verb) show the form or outline of | Synonyms: define |
| delineated | (adjective) represented accurately or precisely | Synonyms: delineate, represented |
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| delineation | (noun) representation by drawing or painting etc | Synonyms: depiction, portrayal |
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| (noun) a drawing of the outlines of forms or objects | Synonyms: depiction, limning, line drawing |
| (noun) a graphic or vivid verbal description | Synonyms: characterisation, characterization, depiction, picture, word-painting, word picture |
| delineative | (adjective) depicted in a recognizable manner | Synonyms: depictive |
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| discipline | (noun) training to improve strength or self-control | - |
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| (noun) the act of disciplining | Synonyms: correction |
| (noun) the trait of being well behaved | - |
| (noun) a branch of knowledge | Synonyms: bailiwick, field, field of study, study, subject, subject area, subject field |
| (noun) a system of rules of conduct or method of practice | - |
| (verb) punish in order to gain control or enforce obedience | Synonyms: correct, sort out |
| (verb) develop (a child's or animal's) behavior by instruction and practice; especially to teach self-control | Synonyms: check, condition, train |
| disciplined | (adjective) obeying the rules | - |
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| (adjective) trained mentally or physically by instruction or exercise | - |
| disincline | (verb) make unwilling | Synonyms: indispose |
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| disinclined | (adjective) unwilling because of mild dislike or disapproval | - |
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| disorderliness | (noun) untidiness (especially of clothing and appearance) | Synonyms: disarray |
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| (noun) a condition in which things are not in their expected places | Synonyms: disorder |
| (noun) rowdy behavior | Synonyms: roughness, rowdiness, rowdyism |
| doxycycline | (noun) an antibiotic derived from tetracycline that is effective against many infections | Synonyms: Vibramycin |
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| dropline | (noun) a headline with the top line flush left and succeeding lines indented to the right | Synonyms: drop line, stagger head, staggered head, stephead, stepped line |
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| earliness | (noun) quality of coming early or earlier in time | - |
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| eyeliner | (noun) makeup applied to emphasize the shape of the eyes | - |
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| fatherliness | (noun) the benignity and protectiveness of or befitting a father | Synonyms: paternal quality |
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| fedelline | (noun) extremely fine pasta thinner than vermicelli | - |
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| feline | (adjective) of or relating to cats | - |
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| (noun) any of various lithe-bodied roundheaded fissiped mammals, many with retractile claws | Synonyms: felid |
| fineliner | (noun) A felt-tip pen with a thin tip that produces thin lines. | Synonyms: fineliner pen |
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| friendliness | (noun) a friendly disposition | - |
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| (noun) a feeling of liking for another person; enjoyment in their company | - |
| gasoline | (noun) a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines | Synonyms: gas, gasolene, petrol |
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| gentlemanliness | (noun) Gentlemanly behaviour, characteristics of or pertaining to being a gentleman. | - |
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| ghastliness | (noun) the quality of being ghastly | Synonyms: grimness, gruesomeness, luridness |
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| ghostliness | (noun) strangeness by virtue of being mysterious and inspiring fear | Synonyms: eeriness |
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| glyoxaline | (noun) an organic base C3H4N2; a histamine inhibitor | Synonyms: imidazole, iminazole |
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| godliness | (noun) piety by virtue of being a godly person | - |
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| guideline | (noun) a rule or principle that provides guidance to appropriate behavior | Synonyms: guidepost, rule of thumb |
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| (noun) a detailed plan or explanation to guide you in setting standards or determining a course of action | Synonyms: road map |
| (noun) a light line that is used in lettering to help align the letters | - |
| hairline | (noun) the natural margin formed by hair on the head | - |
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| (noun) a very thin line | - |
| handline | (noun) a fishing line managed principally by hand | Synonyms: hand line |
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| (noun) (climbing) a line that can be hung onto with hands while climbing up or down a steep or slick section for limited protection. | - |
| hardline | (adjective) firm and uncompromising | Synonyms: hard-line |
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| hardliner | (noun) a conservative who is uncompromising | - |
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| headline | (noun) the heading or caption of a newspaper article | Synonyms: newspaper headline |
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| (verb) publicize widely or highly, as if with a headline | - |
| (verb) provide (a newspaper page or a story) with a headline | - |
| headliner | (noun) a performer who receives prominent billing | Synonyms: star |
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| headlinese | (noun) using the abbreviated style of headline writers | - |
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| hemline | (noun) the line formed by the lower edge of a skirt or coat | - |
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| hilliness | (noun) the quality of being hilly | - |
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| hipline | (noun) the line formed by the lower edge of hip-length garment | - |
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| (noun) the line formed by measuring the hip at its greatest part | - |
| holiness | (noun) the quality of being holy | Synonyms: sanctitude, sanctity |
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| homeliness | (noun) an appearance that is not attractive or beautiful | Synonyms: plainness |
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| (noun) having a drab or dowdy quality; lacking stylishness or elegance | Synonyms: dowdiness, drabness |
| hotline | (noun) a telefone line that provides direct and prompt information or advice to the caller in relation to a specific subject | Synonyms: hot line |
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| hyaline | (adjective) resembling glass in transparency or translucency | Synonyms: hyaloid |
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| (noun) a glassy translucent substance that occurs in hyaline cartilage or in certain skin conditions | Synonyms: hyalin |
| hydroxyproline | (noun) a crystalline amino acid obtained from gelatin or collagen | - |
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| hydroxytetracycline | (noun) a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections | Synonyms: oxytetracycline, oxytetracycline hydrochloride, Terramycin |
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| hypogammaglobulinemia | (noun) an abnormally low concentration of gamma globulin in the blood and increased risk of infection | - |
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