| kea | (noun) large brownish-green New Zealand parrot | Synonyms: Nestor notabilis |
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| kebab | (noun) cubes of meat marinated and cooked on a skewer usually with vegetables | Synonyms: kabob, shish kebab |
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| kedgeree | (noun) a dish of rice and hard-boiled eggs and cooked flaked fish | - |
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| keel | (noun) one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability | - |
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| (noun) the median ridge on the breastbone of birds that fly | - |
| (noun) a projection or ridge that suggests a keel | - |
| keelboat | (noun) river boat with a shallow draught and a keel but no sails; used to carry freight; moved by rowing or punting or towing | - |
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| keelson | (noun) a longitudinal beam connected to the keel of ship to strengthen it | - |
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| keen | (noun) a funeral lament sung with loud wailing | - |
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| keenness | (noun) thinness of edge or fineness of point | Synonyms: sharpness |
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| (noun) a quick and penetrating intelligence | Synonyms: acuity, acuteness, sharpness |
| (noun) a positive feeling of wanting to push ahead with something | Synonyms: avidity, avidness, eagerness |
| keep | (noun) the main tower within the walls of a medieval castle or fortress | Synonyms: donjon, dungeon |
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| (noun) a cell in a jail or prison | Synonyms: hold |
| (noun) the financial means whereby one lives | Synonyms: bread and butter, livelihood, living, support, sustenance |
| keeper | (noun) one having charge of buildings or grounds or animals | Synonyms: custodian, steward |
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| (noun) someone in charge of other people | - |
| keeping | (noun) the responsibility of a guardian or keeper | Synonyms: guardianship, safekeeping |
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| (noun) conformity or harmony | - |
| (noun) the act of retaining something | Synonyms: holding, retention |
| keepsake | (noun) something of sentimental value | Synonyms: relic, souvenir, token |
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| keeshond | (noun) a spitz-like dog having a shaggy greyish coat and tightly curled tail originating in Holland | - |
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| keg | (noun) small cask or barrel | - |
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| (noun) the quantity contained in a keg | Synonyms: kegful |
| kegful | (noun) the quantity contained in a keg | Synonyms: keg |
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| keister | (noun) the fleshy part of the human body that you sit on | Synonyms: arse, ass, backside, behind, bottom, bum, buns, butt, buttocks, can, derriere, fanny, fundament, hind end, hindquarters, nates, posterior, prat, rear, rear end, rump, seat, stern, tail, tail end, tooshie, tush |
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| keloid | (noun) raised pinkish scar tissue at the site of an injury; results from excessive tissue repair | Synonyms: cheloid |
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| kelp | (noun) large brown seaweeds having fluted leathery fronds | - |
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| kelpie | (noun) an Australian sheepdog with pointed ears | - |
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| (noun) (Scottish folklore) water spirit in the form of a horse that likes to drown its riders | Synonyms: kelpy |
| kelpwort | (noun) bushy plant of Old World salt marshes and sea beaches having prickly leaves; burned to produce a crude soda ash | Synonyms: barilla, glasswort, kali, Salsola kali, Salsola soda, saltwort |
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| kelpy | (noun) (Scottish folklore) water spirit in the form of a horse that likes to drown its riders | Synonyms: kelpie |
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| kelter | (noun) in working order | Synonyms: kilter |
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| kelvin | (noun) the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites | Synonyms: K |
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| ken | (noun) range of what one can know or understand | Synonyms: cognizance |
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| (noun) the range of vision | Synonyms: sight |
| kenaf | (noun) valuable fiber plant of East Indies now widespread in cultivation | Synonyms: bimli, bimli hemp, Bombay hemp, deccan hemp, Hibiscus cannabinus, Indian hemp, kanaf |
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| (noun) fiber from an East Indian plant Hibiscus cannabinus | Synonyms: deccan hemp |
| kencur | (noun) a dried rhizome or its powdered form of Kaempferia galanga, used in cooking in Indonesia. | - |
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| kennel | (noun) outbuilding that serves as a shelter for a dog | Synonyms: dog house, doghouse |
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| kenning | (noun) conventional metaphoric name for something, used especially in Old English and Old Norse poetry | - |
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| keno | (noun) a game in which numbered balls are drawn at random and players cover the corresponding numbers on their cards | Synonyms: beano, bingo, lotto |
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| kenogenesis | (noun) introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution) | Synonyms: caenogenesis, cainogenesis, cenogenesis, kainogenesis |
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| kenosis | (noun) the concept of emptying one's own will and receive God's will, in Catholicism | - |
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| kenotron | (noun) a type of vacuum tube formerly used as a high-voltage rectifier. | - |
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| kentan | (noun) east Asian perennial having large reddish-orange black-spotted flowers with reflexed petals | Synonyms: devil lily, Lilium lancifolium, tiger lily |
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| kepi | (noun) a cap with a flat circular top and a visor | Synonyms: peaked cap, service cap, yachting cap |
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| keratalgia | (noun) pain in the cornea | - |
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| keratectasia | (noun) abnormal bulging of the cornea of the eye | - |
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| keratin | (noun) a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves | Synonyms: ceratin |
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| keratinisation | (noun) organic process by which keratin is deposited in cells and the cells become horny (as in nails and hair) | Synonyms: keratinization |
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| keratinization | (noun) organic process by which keratin is deposited in cells and the cells become horny (as in nails and hair) | Synonyms: keratinisation |
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| keratitis | (noun) inflammation of the cornea causing watery painful eyes and blurred vision | - |
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| keratoacanthoma | (noun) skin tumor that grows rapidly (especially in older people) and resembles a carcinoma but does not spread; it usually disappears spontaneously, often leaving a scar | - |
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| keratocele | (noun) hernia of the cornea | - |
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| keratoconjunctivitis | (noun) inflammation of the cornea and conjunctiva | - |
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| keratoconus | (noun) abnormal cone-shaped protrusion of the cornea of the eye; can be treated by epikeratophakia | - |
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| keratoderma | (noun) any skin disorder consisting of a growth that appears horny | Synonyms: keratodermia |
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| keratodermia | (noun) any skin disorder consisting of a growth that appears horny | Synonyms: keratoderma |
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| keratohyalin | (noun) hyaline in the large granules of the stratum granulosum | - |
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| keratoiritis | (noun) inflammation of the cornea and the iris of the eye | - |
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| keratomalacia | (noun) softening and drying and ulceration of the cornea resulting from vitamin A deficiency; symptom of cystic fibrosis or sprue | - |
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| keratomycosis | (noun) fungal infection of the cornea | - |
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| keratonosis | (noun) any abnormal condition of the outer skin (epidermis) | - |
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| keratonosus | (noun) any disease of the cornea | - |
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| keratoplasty | (noun) a surgical procedure in which part or all of a damaged or diseased cornea is replaced by healthy corneal tissue from a donor | Synonyms: corneal graft, corneal transplant |
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| keratoscleritis | (noun) inflammation of the cornea and sclera of the eye | - |
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| keratoscope | (noun) medical instrument to examine the cornea in order to detect irregularities in its anterior surface | - |
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| keratoscopy | (noun) examination of the cornea with a keratoscope to detect irregularities in its anterior surface | - |
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| keratosis | (noun) a skin condition marked by an overgrowth of layers of horny skin | - |
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| keratotomy | (noun) surgical incision into the cornea | - |
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| kerb | (noun) an edge between a sidewalk and a roadway consisting of a line of curbstones (usually forming part of a gutter) | Synonyms: curb, curbing |
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| kerbstone | (noun) a paving stone forming part of a curb | Synonyms: curbstone |
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| kerchief | (noun) a square scarf that is folded into a triangle and worn over the head or about the neck | - |
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| kerfuffle | (noun) a disorderly outburst or tumult | Synonyms: commotion, disruption, disturbance, flutter, hoo-ha, hoo-hah, hurly burly, to-do |
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| kerion | (noun) ringworm infection of the hair follicles of the scalp and beard that usually results in a swelling that is covered with pustules and oozes fluid | - |
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| kerite | (noun) a compound in which tar or asphalt combined with animal or vegetable oils is vulcanized by sulphur, the product closely resembling rubber. | - |
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| kern | (noun) the part of a metal type that projects beyond its body | - |
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| kernel | (noun) the choicest or most essential or most vital part of some idea or experience | Synonyms: center, centre, core, essence, gist, heart, heart and soul, inwardness, marrow, meat, nitty-gritty, nub, pith, substance, sum |
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| (noun) a single whole grain of a cereal | - |
| (noun) the inner and usually edible part of a seed or grain or nut or fruit stone | Synonyms: meat |
| kernicterus | (noun) an abnormal accumulation of bile pigment in the brain and other nerve tissue; causes yellow staining and tissue damage | - |
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| kernite | (noun) a light soft mineral consisting of hydrated sodium borate in crystalline form; an important source of boron | - |
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| kerosene | (noun) a flammable hydrocarbon oil used as fuel in lamps and heaters | Synonyms: coal oil, kerosine, lamp oil |
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| kerosine | (noun) a flammable hydrocarbon oil used as fuel in lamps and heaters | Synonyms: coal oil, kerosene, lamp oil |
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| kerugma | (noun) preaching the gospel of Christ in the manner of the early church | Synonyms: kerygma |
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| kerygma | (noun) preaching the gospel of Christ in the manner of the early church | Synonyms: kerugma |
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| kestrel | (noun) small Old World falcon that hovers in the air against a wind | Synonyms: Falco tinnunculus |
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| (noun) small North American falcon | Synonyms: American kestrel, Falco sparverius, sparrow hawk |
| ketamine | (noun) a general anesthetic and tranquilizer (not a barbiturate) that is administered intravenously or intramuscularly; used mainly by veterinarians or for minor surgery with geriatric or pediatric patients; taken in large doses it causes hallucinations similar to those associated with the use of PCP | Synonyms: Ketalar, ketamine hydrochloride |
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| ketch | (noun) a sailing vessel with two masts; the mizzen is forward of the rudderpost | - |
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| ketchup | (noun) thick spicy sauce made from tomatoes | Synonyms: catsup, cetchup, tomato ketchup |
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| keteleeria | (noun) Asiatic conifers resembling firs | - |
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| ketembilla | (noun) maroon-purple gooseberry-like fruit of India having tart-sweet purple pulp used especially for preserves | Synonyms: kitambilla, kitembilla |
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| (noun) a small shrubby spiny tree cultivated for its maroon-purple fruit with sweet purple pulp tasting like gooseberries; Sri Lanka and India | Synonyms: Ceylon gooseberry, Dovyalis hebecarpa, ketembilla tree, kitambilla, kitembilla |
| ketoacidosis | (noun) acidosis with an accumulation of ketone bodies; occurs primarily in diabetes mellitus | Synonyms: diabetic acidosis |
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| ketoaciduria | (noun) excessive amounts of ketone bodies in the urine as in diabetes mellitus or starvation | Synonyms: acetonuria, ketonuria |
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| ketoheptose | (noun) A seven-carbon sugar possessing a ketone group. | - |
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| ketohexose | (noun) a monosaccharide having six carbon atoms and a ketone group | - |
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| ketone | (noun) any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals | - |
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| ketonemia | (noun) an abnormal increase of ketone bodies in the blood as in diabetes mellitus | Synonyms: acetonemia, ketosis |
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| ketonuria | (noun) excessive amounts of ketone bodies in the urine as in diabetes mellitus or starvation | Synonyms: acetonuria, ketoaciduria |
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| ketoprofen | (noun) nonsteroidal anti-inflammatory drug (trade names Orudis or Orudis KT or Oruvail) | Synonyms: Orudis, Orudis KT, Oruvail |
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| ketorolac | (noun) nonsteroidal anti-inflammatory (trade name Torodal) that is given only orally | Synonyms: Torodal |
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| ketose | (noun) any monosaccharide sugar that contains a ketone group or its hemiacetal | - |
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| ketosis | (noun) an abnormal increase of ketone bodies in the blood as in diabetes mellitus | Synonyms: acetonemia, ketonemia |
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| ketosteroid | (noun) a steroid containing a ketone group | - |
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| ketotetrose | (noun) A monosaccharide that has both a ketone and four carbons. | - |
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| ketotriose | (noun) Any ketose having three carbon atoms; in reality, only dihydroxyacetone. | - |
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| kettle | (noun) a metal pot for stewing or boiling; usually has a lid | Synonyms: boiler |
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| (noun) a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it | Synonyms: kettledrum, timpani, tympani, tympanum |
| (noun) (geology) a hollow (typically filled by a lake) that results from the melting of a mass of ice trapped in glacial deposits | Synonyms: kettle hole |
| (noun) the quantity a kettle will hold | Synonyms: kettleful |
| kettledrum | (noun) a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it | Synonyms: kettle, timpani, tympani, tympanum |
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| kettleful | (noun) the quantity a kettle will hold | Synonyms: kettle |
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| keurboom | (noun) tree with odd-pinnate leaves and racemes of fragrant pink to purple flowers | Synonyms: Virgilia capensis, Virgilia oroboides |
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| (noun) fast-growing roundheaded tree with fragrant white to deep rose flowers; planted as an ornamental | Synonyms: Virgilia divaricata |
| key | (noun) metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated | - |
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| (noun) a lever (as in a keyboard) that actuates a mechanism when depressed | - |
| (noun) mechanical device used to wind another device that is driven by a spring (as a clock) | Synonyms: winder |
| (noun) the central building block at the top of an arch or vault | Synonyms: headstone, keystone |
| (noun) pitch of the voice | - |
| (noun) something crucial for explaining | - |
| (noun) any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music | Synonyms: tonality |
| (noun) a generic term for any device whose possession entitles the holder to a means of access | - |
| (noun) a list of words or phrases that explain symbols or abbreviations | - |
| (noun) a list of answers to a test | - |
| (noun) (basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court | Synonyms: paint |
| (noun) a coral reef off the southern coast of Florida | Synonyms: cay, Florida key |
| (noun) a winged often one-seed indehiscent fruit as of the ash or elm or maple | Synonyms: key fruit, samara |
| (noun) a kilogram of a narcotic drug | - |
| keyboard | (noun) holder consisting of an arrangement of hooks on which keys or locks can be hung | - |
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| (noun) device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer or the like | - |
| keyboardist | (noun) a musician who plays a keyboard instrument | - |
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| keycard | (noun) a plastic card that has a magnetically coded strip that is scanned in order to operate a mechanism | - |
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