| camera | (noun) equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other) | Synonyms: photographic camera |
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| (noun) television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam | Synonyms: television camera, tv camera |
| campana | (noun) the shape of a bell | Synonyms: bell, bell shape |
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| campanula | (noun) any of various plants of the genus Campanula having blue or white bell-shaped flowers | Synonyms: bellflower |
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| canafistola | (noun) deciduous or semi-evergreen tree having scented sepia to yellow flowers in drooping racemes and pods whose pulp is used medicinally; tropical Asia and Central and South America and Australia | Synonyms: canafistula, Cassia fistula, drumstick tree, golden shower tree, pudding pipe tree, purging cassia |
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| canafistula | (noun) deciduous or semi-evergreen tree having scented sepia to yellow flowers in drooping racemes and pods whose pulp is used medicinally; tropical Asia and Central and South America and Australia | Synonyms: canafistola, Cassia fistula, drumstick tree, golden shower tree, pudding pipe tree, purging cassia |
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| canasta | (noun) a form of rummy using two decks of cards and four jokers; jokers and deuces are wild; the object is to form groups of the same rank | Synonyms: basket rummy, meld |
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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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| candelilla | (noun) wax-coated shrub of northern Mexico and southwestern United States | Synonyms: Euphorbia antisyphilitica |
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| (noun) wax-coated Mexican shrub related to Euphorbia antisyphilitica | Synonyms: Pedilanthus bracteatus, Pedilanthus pavonis |
| candida | (noun) any of the yeastlike imperfect fungi of the genus Candida | - |
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| canella | (noun) highly aromatic inner bark of the Canella winterana used as a condiment and a tonic | Synonyms: canella bark, white cinnamon |
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| canna | (noun) any plant of the genus Canna having large sheathing leaves and clusters of large showy flowers | - |
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| cannula | (noun) a small flexible tube inserted into a body cavity for draining off fluid or introducing medication | - |
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| canola | (noun) vegetable oil made from rapeseed; it is high in monounsaturated fatty acids | Synonyms: canola oil |
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| cantala | (noun) Philippine plant yielding a hard fibre used in making coarse twine | Synonyms: Agave cantala, maguey |
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| (noun) hard fiber used in making coarse twine; from Philippine agave plants | Synonyms: Cebu maguey, manila maguey |
| cantata | (noun) a musical composition for voices and orchestra based on a religious text | Synonyms: oratorio |
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| capibara | (noun) pig-sized tailless South American amphibious rodent with partly webbed feet; largest living rodent | Synonyms: capybara, Hydrochoerus hydrochaeris |
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| capitula | (noun) a short scripture reading; done after a psalmody. | - |
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| capybara | (noun) pig-sized tailless South American amphibious rodent with partly webbed feet; largest living rodent | Synonyms: capibara, Hydrochoerus hydrochaeris |
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| caracara | (noun) any of various long-legged carrion-eating hawks of South America and Central America | - |
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| caragana | (noun) any plant of the genus Caragana having even-pinnate leaves and mostly yellow flowers followed by seeds in a linear pod | Synonyms: pea tree |
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| carambola | (noun) deeply ridged yellow-brown tropical fruit; used raw as a vegetable or in salad or when fully ripe as a dessert | Synonyms: star fruit |
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| (noun) East Indian tree bearing deeply ridged yellow-brown fruit | Synonyms: Averrhoa carambola, carambola tree |
| carancha | (noun) South American caracara | Synonyms: Polyborus plancus |
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| caranda | (noun) South American palm yielding a wax similar to carnauba wax | Synonyms: caranda palm, caranday, Copernicia alba, Copernicia australis, wax palm |
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| carbonara | (noun) sauce for pasta; contains eggs and bacon or ham and grated cheese | - |
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| carcinoma | (noun) any malignant tumor derived from epithelial tissue; one of the four major types of cancer | - |
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| carcinosarcoma | (noun) a malignant neoplasm composed of carcinoma and sarcoma extensively intermixed | - |
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| cardia | (noun) the opening into the stomach and that part of the stomach connected to the esophagus | - |
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| carina | (noun) any of various keel-shaped structures or ridges such as that on the breastbone of a bird or that formed by the fused petals of a pea blossom | - |
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| carioca | (noun) a lively ballroom dance that resembles the samba | - |
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| (noun) music composed for dancing the carioca | - |
| carissa | (noun) a shrub of the genus Carissa having fragrant white flowers and plumlike red to purple-black fruits | - |
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| carnauba | (noun) Brazilian fan palm having an edible root; source of a useful leaf fiber and a brittle yellowish wax | Synonyms: carnauba palm, Copernicia cerifera, Copernicia prunifera, wax palm |
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| (noun) hard yellowish to brownish wax from leaves of the carnauba palm used especially in floor waxes and polishes | Synonyms: carnauba wax |
| carotenemia | (noun) excess carotene in the blood stream; can cause the skin to turn a pale yellow or red color | Synonyms: xanthemia |
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| carpenteria | (noun) California evergreen shrub having glossy opposite leaves and terminal clusters of a few fragrant white flowers | Synonyms: Carpenteria californica |
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| caruncula | (noun) an outgrowth on a plant or animal such as a fowl's wattle or a protuberance near the hilum of certain seeds | Synonyms: caruncle |
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| casaba | (noun) melon having yellowish rind and whitish flesh | Synonyms: casaba melon |
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| casava | (noun) any of several plants of the genus Manihot having fleshy roots yielding a nutritious starch | Synonyms: cassava |
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| cascara | (noun) dried bark of the cascara buckthorn used as a laxative | Synonyms: cascara sagrada, chittam bark, chittem bark |
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| cascarilla | (noun) West Indian shrub with aromatic bark | Synonyms: Croton eluteria |
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| cassava | (noun) any of several plants of the genus Manihot having fleshy roots yielding a nutritious starch | Synonyms: casava |
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| (noun) cassava root eaten as a staple food after drying and leaching; source of tapioca | Synonyms: manioc |
| (noun) a starch made by leaching and drying the root of the cassava plant; the source of tapioca; a staple food in the tropics | Synonyms: cassava starch, manioc, manioca |
| cassia | (noun) any of various trees or shrubs of the genus Cassia having pinnately compound leaves and usually yellow flowers followed by long seedpods | - |
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| (noun) Chinese tree with aromatic bark; yields a less desirable cinnamon than Ceylon cinnamon | Synonyms: cassia-bark tree, Cinnamomum cassia |
| casuarina | (noun) any of various trees and shrubs of the genus Casuarina having jointed stems and whorls of scalelike leaves; some yield heavy hardwood | - |
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| catalpa | (noun) tree of the genus Catalpa with large leaves and white flowers followed by long slender pods | Synonyms: Indian bean |
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| catalufa | (noun) brightly colored carnivorous fish of western Atlantic and West Indies waters | Synonyms: Priacanthus arenatus |
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| catamenia | (noun) the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause | Synonyms: flow, menses, menstruation, menstruum, period |
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| cataphasia | (noun) a speech disorder in which the same word is repeated several times in succession | - |
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| cataplasia | (noun) (biology) degenerative reversion of cells or tissue to a less differentiated or more primitive form | - |
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| catathymia | (noun) A state in which mental processes are under the control of the emotions. | - |
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| catatonia | (noun) a form of schizophrenia characterized by a tendency to remain in a fixed stuporous state for long periods; the catatonia may give way to short periods of extreme excitement | Synonyms: catatonic schizophrenia, catatonic type schizophrenia |
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| (noun) extreme tonus; muscular rigidity; a common symptom in catatonic schizophrenia | - |
| catena | (noun) a chain of connected ideas or passages or objects so arranged that each member is closely related to the preceding and following members (especially a series of patristic comments elucidating Christian dogma) | - |
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| cathedra | (noun) a throne that is the official chair of a bishop | Synonyms: bishop's throne |
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| cattleya | (noun) any orchid of the genus Cattleya characterized by a three-lobed lip enclosing the column; among the most popular and most extravagantly beautiful orchids known | - |
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| cauda | (noun) any taillike structure | - |
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| causa | (noun) a comprehensive term for any proceeding in a court of law whereby an individual seeks a legal remedy | Synonyms: case, cause, lawsuit, suit |
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| causalgia | (noun) a burning pain in a limb along the course of a peripheral nerve; usually associated with skin changes | - |
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| cavalla | (noun) large mackerel with long pointed snout; important food and game fish of the eastern Atlantic coast southward to Brazil | Synonyms: cero, king mackerel, Scomberomorus cavalla |
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| cecropia | (noun) North American silkworm moth; larvae feed on the leaves of forest trees | Synonyms: cecropia moth, Hyalophora cecropia |
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| cedilla | (noun) a diacritical mark (,) placed below the letter c to indicate that it is pronounced as an s | - |
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| celesta | (noun) a musical instrument consisting of graduated steel plates that are struck by hammers activated by a keyboard | - |
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| celioma | (noun) an abdominal tumor | - |
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| celoma | (noun) a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity | Synonyms: celom, coelom |
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| cephalalgia | (noun) pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs | Synonyms: head ache, headache |
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| cephalhematoma | (noun) a collection of blood under the scalp of a newborn; caused by pressure during birth | Synonyms: cephalohematoma |
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| cephalohematoma | (noun) a collection of blood under the scalp of a newborn; caused by pressure during birth | Synonyms: cephalhematoma |
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| ceratozamia | (noun) a small cycad of the genus Ceratozamia having a short scaly woody trunk and fernlike foliage and woody cones; Mexico | - |
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| cercaria | (noun) tadpole-shaped parasitic larva of a trematode worm; tail disappears in adult stage | - |
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| chachalaca | (noun) slender arboreal guan resembling a wild turkey; native to Central America and Mexico; highly regarded as game birds | - |
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| chachka | (noun) (Yiddish) an inexpensive showy trinket | Synonyms: tchotchke, tsatske, tshatshke |
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| (noun) (Yiddish) an attractive, unconventional woman | Synonyms: tchotchke, tchotchkeleh, tsatske, tshatshke |
| chacma | (noun) greyish baboon of southern and eastern Africa | Synonyms: chacma baboon, Papio ursinus |
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| chaeta | (noun) a stiff chitinous seta or bristle especially of an annelid worm | - |
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| chaja | (noun) largest crested screamer; native to southern Brazil and Argentina | Synonyms: Chauna torquata |
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| chalaza | (noun) one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell | - |
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| (noun) basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined | - |
| charisma | (noun) a personal attractiveness or interestingness that enables you to influence others | Synonyms: personal appeal, personal magnetism |
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| chaulmoogra | (noun) East Indian tree with oily seeds yield chaulmoogra oil used to treat leprosy | Synonyms: chaulmoogra tree, chaulmugra, Hydnocarpus kurzii, Taraktagenos kurzii, Taraktogenos kurzii |
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| chaulmugra | (noun) East Indian tree with oily seeds yield chaulmoogra oil used to treat leprosy | Synonyms: chaulmoogra, chaulmoogra tree, Hydnocarpus kurzii, Taraktagenos kurzii, Taraktogenos kurzii |
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| 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 |
| chelicera | (noun) either of the first pair of fang-like appendages near the mouth of an arachnid; often modified for grasping and piercing | - |
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| cherimolla | (noun) large tropical fruit with leathery skin and soft pulp; related to custard apples | Synonyms: cherimoya |
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| cherimoya | (noun) large tropical fruit with leathery skin and soft pulp; related to custard apples | Synonyms: cherimolla |
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| (noun) small tropical American tree bearing round or oblong fruit | Synonyms: Annona cherimola, cherimoya tree |
| chiasma | (noun) an intersection or crossing of two tracts in the form of the letter X | Synonyms: chiasm, decussation |
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| chicha | (noun) an oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water | Synonyms: calean, hookah, hubble-bubble, hubbly-bubbly, kalian, narghile, nargileh, sheesha, shisha, water pipe |
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| chickpea | (noun) large white roundish Asiatic legume; usually dried | Synonyms: garbanzo |
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| (noun) Asiatic herb cultivated for its short pods with one or two edible seeds | Synonyms: chickpea plant, Cicer arietinum, Egyptian pea |
| (noun) the seed of the chickpea plant | Synonyms: garbanzo |
| chimaera | (noun) a deep-sea fish with a tapering body, smooth skin, and long threadlike tail | - |
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| (noun) a grotesque product of the imagination | Synonyms: chimera |
| chimera | (noun) a grotesque product of the imagination | Synonyms: chimaera |
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| china | (noun) high quality porcelain originally made only in China | - |
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| (noun) dishware made of high quality porcelain | Synonyms: chinaware |
| chinchilla | (noun) small rodent with soft pearly grey fur; native to the Andes but bred in captivity for fur | Synonyms: Chinchilla laniger |
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| (noun) a thick twilled fabric of wool and cotton | - |
| (noun) the expensive silvery grey fur of the chinchilla | - |
| chinchona | (noun) any of several trees of the genus Cinchona | Synonyms: cinchona |
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| chipolata | (noun) a small thin sausage | - |
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| chiralgia | (noun) a pain in the hand that is not traumatic | - |
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| chlamydia | (noun) coccoid rickettsia infesting birds and mammals; cause infections of eyes and lungs and genitourinary tract | - |
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| (noun) a sexually transmitted infection caused by bacteria of the genus Chlamydia | - |
| chloasma | (noun) a tan discoloration of a woman's face that is associated with pregnancy or with the use of oral contraceptives | Synonyms: mask of pregnancy, melasma |
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| chlorella | (noun) any alga of the genus Chlorella | - |
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| chlorenchyma | (noun) parenchyma whose cells contain chloroplasts | - |
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| choana | (noun) either one of the two posterior openings at the back of the nasal cavity leading to the nasopharynx | Synonyms: internal nostril, posterior nasal aperture |
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| cholera | (noun) an acute intestinal infection caused by ingestion of contaminated water or food | Synonyms: Asiatic cholera, epidemic cholera, Indian cholera |
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| cholla | (noun) arborescent cacti having very spiny cylindrical stem segments; southwestern United States and Mexico | Synonyms: Opuntia cholla |
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| chondroma | (noun) a common benign tumor of cartilage cells | - |
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| chondrosarcoma | (noun) a malignant neoplasm of cartilage cells | - |
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| chorea | (noun) any of several degenerative nervous disorders characterized by spasmodic movements of the body and limbs | - |
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| (noun) chorea in dogs | Synonyms: canine chorea |
| christella | (noun) any of several tropical ferns of the genus Christella having thin brittle fronds | - |
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