| archipelago | (noun) a group of many islands in a large body of water | - |
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| belay | (noun) something to which a mountain climber's rope can be secured | - |
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| bordelaise | (noun) brown sauce with beef marrow and red wine | - |
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| candela | (noun) the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin | Synonyms: candle, cd, standard candle |
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| candelabra | (noun) branched candlestick; ornamental; has several lights | Synonyms: candelabrum |
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| candelabrum | (noun) branched candlestick; ornamental; has several lights | Synonyms: candelabra |
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| capelan | (noun) very small northern fish; forage for sea birds and marine mammals and other fishes | Synonyms: capelin, caplin |
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| celandine | (noun) perennial herb with branched woody stock and bright yellow flowers | Synonyms: Chelidonium majus, greater celandine, swallow wort, swallowwort |
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| (noun) North American annual plant with usually yellow or orange flowers; grows chiefly on wet rather acid soil | Synonyms: Impatiens capensis, jewelweed, lady's earrings, orange balsam, touch-me-not |
| chatelaine | (noun) a chain formerly worn at the waist by women; for carrying a purse or bunch of keys etc. | - |
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| (noun) the mistress of a chateau or large country house | - |
| chela | (noun) a Hindu disciple of a swami | - |
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| (noun) a grasping structure on the limb of a crustacean or other arthropods | Synonyms: claw, nipper, pincer |
| chelate | (noun) a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions | Synonyms: chelate compound |
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| chelation | (noun) the process of forming a ring by forming one or more hydrogen bonds | - |
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| (noun) (medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning | - |
| coelacanth | (noun) fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa | Synonyms: Latimeria chalumnae |
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| congelation | (noun) the process of congealing; solidification by (or as if by) freezing | Synonyms: congealment |
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| correlate | (noun) either of two or more related or complementary variables | Synonyms: correlative |
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| correlation | (noun) a statistic representing how closely two variables co-vary; it can vary from -1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation) | Synonyms: coefficient of correlation, correlation coefficient |
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| (noun) a statistical relation between two or more variables such that systematic changes in the value of one variable are accompanied by systematic changes in the other | Synonyms: correlational statistics |
| (noun) a reciprocal relation between two or more things | Synonyms: correlativity |
| correlative | (noun) either of two or more related or complementary variables | Synonyms: correlate |
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| correlativity | (noun) a reciprocal relation between two or more things | Synonyms: correlation |
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| crenelation | (noun) the action of constructing ramparts with gaps for firing guns or arrows | Synonyms: crenellation |
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| (noun) a rampart built around the top of a castle with regular gaps for firing arrows or guns | Synonyms: battlement, crenellation |
| delabialization | (noun) the pronouncing of a sound without lip rounding. | - |
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| delavirdine | (noun) a non-nucleoside reverse transcriptase inhibitor (trade name Rescriptor) used to treat AIDS and HIV | Synonyms: Rescriptor |
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| delay | (noun) the act of delaying; inactivity resulting in something being put off until a later time | Synonyms: holdup |
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| (noun) time during which some action is awaited | Synonyms: hold, postponement, time lag, wait |
| delayer | (noun) a person who delays; to put off until later or cause to be late | - |
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| denivelation | (noun) the difference in level (depth) between two parts of a cave system, usually the highest and lowest known point. | - |
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| elaborateness | (noun) marked by elaborately complex detail | Synonyms: elaboration, intricacy, involution |
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| (noun) an ornate appearance; being elaborately (even excessively) decorated | Synonyms: ornateness |
| elaboration | (noun) developing in intricate and painstaking detail | Synonyms: working out |
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| (noun) addition of extra material or illustration or clarifying detail | Synonyms: amplification |
| (noun) marked by elaborately complex detail | Synonyms: elaborateness, intricacy, involution |
| (noun) a discussion that provides additional information | Synonyms: enlargement, expansion |
| (noun) the result of improving something | Synonyms: refinement |
| elan | (noun) enthusiastic and assured vigor and liveliness | - |
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| (noun) distinctive and stylish elegance | Synonyms: dash, flair, panache, style |
| (noun) a feeling of strong eagerness (usually in favor of a person or cause) | Synonyms: ardor, ardour, zeal |
| eland | (noun) either of two large African antelopes of the genus Taurotragus having short spirally twisted horns in both sexes | - |
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| elaphure | (noun) large Chinese deer surviving only in domesticated herds | Synonyms: Elaphurus davidianus, pere david's deer |
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| elapid | (noun) any of numerous venomous fanged snakes of warmer parts of both hemispheres | Synonyms: elapid snake |
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| elasmobranch | (noun) any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks, rays, skates | Synonyms: selachian |
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| elastance | (noun) The capacity of a dielectric for opposing an electric charge | Synonyms: electrical elastance |
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| elastase | (noun) a pancreatic enzyme that catalyzes the hydrolysis of elastin | - |
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| elastic | (noun) a fabric made of yarns containing an elastic material | - |
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| (noun) a narrow band of elastic rubber used to hold things (such as papers) together | Synonyms: elastic band, rubber band |
| elasticity | (noun) the tendency of a body to return to its original shape after it has been stretched or compressed | Synonyms: snap |
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| elastin | (noun) a fibrous scleroprotein found in elastic tissues such as the walls of arteries | - |
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| elastomer | (noun) any of various elastic materials that resemble rubber (resumes its original shape when a deforming force is removed) | - |
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| elastosis | (noun) breakdown of elastic tissue (as the loss of elasticity in the skin of elderly people that results from degeneration of connective tissue) | - |
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| elater | (noun) any of various widely distributed beetles | Synonyms: elaterid, elaterid beetle |
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| elaterid | (noun) any of various widely distributed beetles | Synonyms: elater, elaterid beetle |
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| elation | (noun) a feeling of joy and pride | Synonyms: high spirits, lightness |
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| (noun) an exhilarating psychological state of pride and optimism; an absence of depression | - |
| erysipelas | (noun) an acute streptococcal infection characterized by deep-red inflammation of the skin and mucous membranes | - |
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| eyelash | (noun) any of the short curved hairs that grow from the edges of the eyelids | Synonyms: cilium, lash |
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| felafel | (noun) small croquette of mashed chick peas or fava beans seasoned with sesame seeds | Synonyms: falafel |
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| forelady | (noun) a woman who is foreperson of a jury | Synonyms: forewoman |
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| foreland | (noun) a natural elevation (especially a rocky one that juts out into the sea) | Synonyms: head, headland, promontory |
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| (noun) land forming the forward margin of something | - |
| freelance | (noun) a writer or artist who sells services to different employers without a long-term contract with any of them | Synonyms: free-lance, free lance, freelancer, independent, self-employed person |
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| freelancer | (noun) a writer or artist who sells services to different employers without a long-term contract with any of them | Synonyms: free-lance, free lance, freelance, independent, self-employed person |
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| fuselage | (noun) the central body of an airplane that is designed to accommodate the crew and passengers (or cargo) | - |
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| gamelan | (noun) a traditional Indonesian ensemble typically including many tuned percussion instruments including bamboo xylophones and wooden or bronze chimes and gongs | - |
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| gelatin | (noun) a thin translucent membrane used over stage lights for color effects | Synonyms: gel |
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| (noun) an edible jelly (sweet or pungent) made with gelatin and used as a dessert or salad base or a coating for foods | Synonyms: jelly |
| (noun) a colorless water-soluble glutinous protein obtained from animal tissues such as bone and skin | Synonyms: gelatine |
| gelatine | (noun) a colorless water-soluble glutinous protein obtained from animal tissues such as bone and skin | Synonyms: gelatin |
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| gelatinousness | (noun) the property of having a viscosity like jelly | Synonyms: glutinosity, glutinousness |
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| glycerogelatin | (noun) a medicated skin preparation made from glycerin and glycerinated gelatin | Synonyms: glycerogel |
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| homeland | (noun) the country where you were born | Synonyms: country of origin, fatherland, mother country, motherland, native land |
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| horselaugh | (noun) a loud laugh that sounds like a horse neighing | Synonyms: ha-ha, haw-haw, hee-haw |
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| inelasticity | (noun) the lack of elasticity | - |
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| interrelatedness | (noun) mutual or reciprocal relation or relatedness | Synonyms: interrelation, interrelationship |
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| interrelation | (noun) mutual or reciprocal relation or relatedness | Synonyms: interrelatedness, interrelationship |
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| interrelationship | (noun) mutual or reciprocal relation or relatedness | Synonyms: interrelatedness, interrelation |
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| kwela | (noun) a kind of danceable music popular among black South Africans; includes a whistle among its instruments | - |
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| lepidomelane | (noun) a mica that is a biotite containing iron | - |
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| melaena | (noun) abnormally dark tarry feces containing blood (usually from gastrointestinal bleeding) | Synonyms: melena |
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| melagra | (noun) rheumatic or myalgic pains in the arms or legs | - |
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| melamine | (noun) a white crystalline organic base; used mainly in making melamine resins | Synonyms: cyanuramide |
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| melancholia | (noun) extreme depression characterized by tearful sadness and irrational fears | - |
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| melancholiac | (noun) someone subject to melancholia | Synonyms: melancholic |
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| melancholic | (noun) someone subject to melancholia | Synonyms: melancholiac |
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| melancholy | (noun) a humor that was once believed to be secreted by the kidneys or spleen and to cause sadness and melancholy | Synonyms: black bile |
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| (noun) a feeling of thoughtful sadness | - |
| (noun) a constitutional tendency to be gloomy and depressed | - |
| melange | (noun) a motley assortment of things | Synonyms: farrago, gallimaufry, hodgepodge, hotchpotch, mingle-mangle, mishmash, oddments, odds and ends, omnium-gatherum, ragbag |
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| melanin | (noun) insoluble pigments that account for the color of e.g. skin and scales and feathers | - |
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| melanism | (noun) a condition characterized by abnormal deposits of melanin (especially in the skin) | Synonyms: melanosis |
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| melanoblast | (noun) an epidermal cell that is a precursor of a melanocyte | - |
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| melanocyte | (noun) a cell in the basal layer of the epidermis that produces melanin under the control of the melanocyte-stimulating hormone | - |
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| melanoderma | (noun) abnormally dark skin caused by increased deposits of melatonin | - |
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| melanoma | (noun) any of several malignant neoplasms (usually of the skin) consisting of melanocytes | Synonyms: malignant melanoma |
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| melanosis | (noun) a condition characterized by abnormal deposits of melanin (especially in the skin) | Synonyms: melanism |
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| melasma | (noun) a tan discoloration of a woman's face that is associated with pregnancy or with the use of oral contraceptives | Synonyms: chloasma, mask of pregnancy |
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| melatonin | (noun) hormone secreted by the pineal gland | - |
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| minelayer | (noun) ship equipped for laying marine mines | - |
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| minelaying | (noun) laying explosive mines in concealed places to destroy enemy personnel and equipment | Synonyms: mining |
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| myelatelia | (noun) any developmental defect of the spinal cord | - |
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| panatela | (noun) a long slender cigar | Synonyms: panetela, panetella |
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| panetela | (noun) a long slender cigar | Synonyms: panatela, panetella |
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| pastureland | (noun) a field covered with grass or herbage and suitable for grazing by livestock | Synonyms: grazing land, lea, ley, pasture, pasture land |
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| pelage | (noun) growth of hair or wool or fur covering the body of an animal | Synonyms: coat |
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| platelayer | (noun) a workman who lays and repairs railroad tracks | Synonyms: tracklayer |
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| porcelain | (noun) ceramic ware made of a more or less translucent ceramic | - |
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| prelacy | (noun) the office or station of a prelate | Synonyms: prelature |
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| (noun) prelates collectively | Synonyms: prelature |
| prelate | (noun) a senior clergyman and dignitary | Synonyms: archpriest, hierarch, high priest, primate |
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| prelature | (noun) the office or station of a prelate | Synonyms: prelacy |
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| (noun) prelates collectively | Synonyms: prelacy |
| psilomelane | (noun) a mineral consisting of hydrated basic oxide of manganese and barium; a source of manganese | - |
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| rangeland | (noun) land suitable for grazing livestock | - |
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| relapse | (noun) a failure to maintain a higher state | Synonyms: backsliding, lapse, lapsing, relapsing, reversion, reverting |
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| relapsing | (noun) a failure to maintain a higher state | Synonyms: backsliding, lapse, lapsing, relapse, reversion, reverting |
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| relatedness | (noun) a particular manner of connectedness | - |
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| relation | (noun) an abstraction belonging to or characteristic of two entities or parts together | - |
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| (noun) (usually plural) mutual dealings or connections among persons or groups | - |
| (noun) sexual activity between individuals, especially the insertion of a man's penis into a woman's vagina until orgasm and ejaculation occur | Synonyms: carnal knowledge, coition, coitus, copulation, intercourse, sex act, sexual congress, sexual intercourse, sexual relation |
| (noun) (law) the principle that an act done at a later time is deemed by law to have occurred at an earlier time | Synonyms: relation back |
| (noun) an act of narration | Synonyms: recounting, telling |
| (noun) a person related by blood or marriage | Synonyms: relative |
| relations | (noun) mutual dealings or connections or communications among persons or groups | Synonyms: dealings |
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| relationship | (noun) a relation between people; (`relationship' is often used where `relation' would serve, as in `the relationship between inflation and unemployment', but the preferred usage of `relationship' is for human relations or states of relatedness) | Synonyms: human relationship |
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| (noun) (anthropology) relatedness or connection by blood or marriage or adoption | Synonyms: family relationship, kinship |
| (noun) a state of connectedness between people (especially an emotional connection) | - |
| (noun) a state involving mutual dealings between people or parties or countries | - |
| relative | (noun) an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus) | Synonyms: congenator, congener, congeneric |
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| (noun) a person related by blood or marriage | Synonyms: relation |