lysinemia | (noun) an inborn error of metabolism in which the lack of certain enzymes leads to an inability to metabolize the amino acid lysine; characterized by muscular weakness and mental retardation | - |
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macadamia | (noun) any tree of the genus Macadamia | Synonyms: macadamia tree |
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macroglia | (noun) tissue consisting of large stellate neuroglial cells | Synonyms: astroglia |
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macroglossia | (noun) a congenital disorder characterized by an abnormally large tongue; often seen in cases of Down's syndrome | - |
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macrozamia | (noun) any treelike cycad of the genus Macrozamia having erect trunks and pinnate leaves and large cones with sometimes edible nuts; Australia | - |
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maffia | (noun) any tightly knit group of trusted associates | Synonyms: mafia |
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mafia | (noun) any tightly knit group of trusted associates | Synonyms: maffia |
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magnesia | (noun) a white solid mineral that occurs naturally as periclase; a source of magnesium | Synonyms: magnesium oxide, periclase |
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magnolia | (noun) any shrub or tree of the genus Magnolia; valued for their longevity and exquisite fragrant blooms | - |
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(noun) dried bark of various magnolias; used in folk medicine | - |
malacia | (noun) a state of abnormal softening of tissue | - |
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malaria | (noun) an infective disease caused by sporozoan parasites that are transmitted through the bite of an infected Anopheles mosquito; marked by paroxysms of chills and fever | - |
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malvasia | (noun) grape used to make malmsey wine | - |
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mammillaria | (noun) any cactus of the genus Mammillaria | - |
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manglietia | (noun) a genus of flowering tree of the family Magnoliaceae found from Malay to southern China | Synonyms: genus Manglietia |
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mania | (noun) an irrational but irresistible motive for a belief or action | Synonyms: cacoethes, passion |
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(noun) a mood disorder; an affective disorder in which the victim tends to respond excessively and sometimes violently | Synonyms: manic disorder |
marginalia | (noun) notes written in the margin | - |
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maria | (noun) a dark region of considerable extent on the surface of the moon | Synonyms: mare |
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martynia | (noun) sprawling annual or perennial herb of Central America and West Indies having creamy-white to red-purple bell-shaped flowers followed by unusual horned fruit | Synonyms: Martynia annua |
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masdevallia | (noun) any of numerous orchids of the genus Masdevallia; tufted evergreen often diminutive plants whose flowers in a remarkable range of colors usually resemble a tricorn with sepals fused at the base to form a tube | - |
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mastalgia | (noun) pain in the breast | - |
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maxillaria | (noun) any of numerous orchids of the genus Maxillaria often cultivated for their large brilliantly colored solitary flowers | - |
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megacardia | (noun) an abnormal enlargement of the heart | Synonyms: cardiomegaly, enlarged heart, megalocardia |
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megalocardia | (noun) an abnormal enlargement of the heart | Synonyms: cardiomegaly, enlarged heart, megacardia |
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megalohepatia | (noun) abnormal enlargement of the liver | Synonyms: hepatomegaly |
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megalomania | (noun) a psychological state characterized by delusions of grandeur | - |
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melancholia | (noun) extreme depression characterized by tearful sadness and irrational fears | - |
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memorabilia | (noun) a record of things worth remembering | - |
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menorrhagia | (noun) abnormally heavy or prolonged menstruation; can be a symptom of uterine tumors and can lead to anemia if prolonged | Synonyms: hypermenorrhea |
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meralgia | (noun) pain in the thigh | - |
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meromelia | (noun) congenital absence of part of an arm or leg | - |
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metamorphopsia | (noun) a defect of vision in which objects appear to be distorted; usually due to a defect in the retina | - |
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metasequoia | (noun) large fast-growing Chinese monoecious tree having flat bright-green deciduous leaves and small globular cones; commonly cultivated in United States as an ornamental; known as a fossil before being discovered in China | Synonyms: dawn redwood, Metasequoia glyptostrodoides |
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metralgia | (noun) pain in the uterus | - |
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metrorrhagia | (noun) bleeding from the uterus that is not due to menstruation; usually indicative of disease (as cervical cancer) | - |
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microbrachia | (noun) abnormally small arms | - |
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microglia | (noun) neuroglial tissue of mesodermal origin that can become phagocytic | - |
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miliaria | (noun) obstruction of the sweat ducts during high heat and humidity | Synonyms: heat rash, prickly heat |
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militia | (noun) civilians trained as soldiers but not part of the regular army | Synonyms: reserves |
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(noun) the entire body of physically fit civilians eligible by law for military service | - |
millettia | (noun) any of several tropical trees or shrubs yielding showy streaked dark reddish or chocolate-colored wood | - |
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minutia | (noun) (biometrics, forensics) Any of the major features of a fingerprint that allow prints to be compared. | - |
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(noun) a small or minor detail | - |
misopedia | (noun) hatred of children | - |
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monilia | (noun) any of the yeastlike imperfect fungi of the genus Monilia | - |
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monochromia | (noun) complete color blindness; colors can be differentiated only on the basis of brightness | Synonyms: monochromacy, monochromasy, monochromatic vision, monochromatism |
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monomania | (noun) a mania restricted to one thing or idea | Synonyms: possession |
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monoplegia | (noun) paralysis of a single limb | - |
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morphia | (noun) an alkaloid narcotic drug extracted from opium; a powerful, habit-forming narcotic used to relieve pain | Synonyms: morphine |
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multimedia | (noun) transmission that combine media of communication (text and graphics and sound etc.) | Synonyms: multimedia system |
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musophobia | (noun) a morbid fear of mice | - |
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mutisia | (noun) any of various plants of the genus Mutisia | - |
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myalgia | (noun) pain in a muscle or group of muscles | Synonyms: myodynia |
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myasthenia | (noun) a chronic progressive disease characterized by chronic fatigue and muscular weakness (especially in the face and neck); caused by a deficiency of acetylcholine at the neuromuscular junctions | Synonyms: myasthenia gravis |
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(noun) any muscular weakness | - |
mycobacteria | (noun) rod-shaped bacteria some saprophytic or causing diseases | Synonyms: mycobacterium |
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myelatelia | (noun) any developmental defect of the spinal cord | - |
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myodynia | (noun) pain in a muscle or group of muscles | Synonyms: myalgia |
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myoglobinuria | (noun) the presence of myoglobin in the urine | - |
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myopia | (noun) (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred | Synonyms: nearsightedness, shortsightedness |
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myotonia | (noun) abnormally long muscular contractions; slow relaxation of a muscle after a contraction | - |
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mysophilia | (noun) abnormal attraction to filth | - |
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mysophobia | (noun) a morbid fear of dirt or contamination | - |
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myxobacteria | (noun) bacteria that form colonies in self-produced slime; inhabit moist soils or decaying plant matter or animal waste | Synonyms: gliding bacteria, myxobacter, myxobacterium, slime bacteria |
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nanomia | (noun) small creatures resembling pieces of fuzzy rope; each with a cluster of swimming bells serving as the head and long elastic tentacles for drawing in prey | - |
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naumachia | (noun) a naval spectacle; a mock sea battle put on by the ancient Romans | Synonyms: naumachy |
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naupathia | (noun) motion sickness experienced while traveling on water | Synonyms: mal de mer, seasickness |
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necromania | (noun) an irresistible sexual attraction to dead bodies | Synonyms: necrophilia, necrophilism |
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necrophagia | (noun) feeding on corpses or carrion | Synonyms: necrophagy |
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necrophilia | (noun) an irresistible sexual attraction to dead bodies | Synonyms: necromania, necrophilism |
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neophobia | (noun) a morbid fear of novelty | - |
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neoplasia | (noun) the pathological process that results in the formation and growth of a tumor | - |
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nephralgia | (noun) pain in the kidney (usually felt in the loins) | - |
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nephroptosia | (noun) prolapse of the kidney | Synonyms: nephroptosis |
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neuralgia | (noun) acute spasmodic pain along the course of one or more nerves | Synonyms: neuralgy |
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neurasthenia | (noun) nervous breakdown (not in technical use) | - |
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neuroglia | (noun) sustentacular tissue that surrounds and supports neurons in the central nervous system; glial and neural cells together compose the tissue of the central nervous system | Synonyms: glia |
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neutropenia | (noun) leukopenia in which the decrease is primarily in number of neutrophils (the chief phagocytic leukocyte) | - |
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nierembergia | (noun) any of various plants of the genus Nierembergia having upturned bell-shaped flowers | Synonyms: cupflower |
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nitrobacteria | (noun) soil bacteria that convert nitrites to nitrates | Synonyms: nitric bacteria |
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nitrosobacteria | (noun) soil bacteria that oxidize ammonia to nitrites | Synonyms: nitrous bacteria |
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nocturia | (noun) excessive urination at night; especially common in older men | Synonyms: nycturia |
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nomia | (noun) a genus of bee; some are important pollinators of legumes | Synonyms: genus Nomia |
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noria | (noun) a water wheel with buckets attached to the rim; used to raise water for transfer to an irrigation channel | - |
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normothermia | (noun) normal body temperature | - |
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nostalgia | (noun) longing for something past | - |
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nutria | (noun) aquatic South American rodent resembling a small beaver; bred for its fur | Synonyms: coypu, Myocastor coypus |
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nyctalopia | (noun) inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder | Synonyms: moon blindness, night blindness |
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nyctophobia | (noun) a morbid fear of night or darkness | - |
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nycturia | (noun) excessive urination at night; especially common in older men | Synonyms: nocturia |
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nymphomania | (noun) abnormally intense sexual desire in women | - |
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odontalgia | (noun) an ache localized in or around a tooth | Synonyms: toothache |
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odynophagia | (noun) severe pain on swallowing due to a disorder of the esophagus | - |
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oligodendria | (noun) tissue consisting of glial cells with sheetlike processes that form the myelin sheath of nerve fibers | Synonyms: oligodendroglia |
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oligodendroglia | (noun) tissue consisting of glial cells with sheetlike processes that form the myelin sheath of nerve fibers | Synonyms: oligodendria |
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oligodontia | (noun) congenital condition in which some of the teeth are missing | - |
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oligospermia | (noun) insufficient spermatozoa in the semen | - |
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oliguria | (noun) production of an abnormally small amount of urine | - |
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(noun) abnormally small production of urine; can be a symptom of kidney disease or obstruction of the urinary tract or edema or an imbalance of fluids and electrolytes in the body | - |
omophagia | (noun) the eating of raw food | - |
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onomatomania | (noun) obsession with a particular word which the person uses repeatedly or which intrudes into consciousness | - |
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onomatopoeia | (noun) using words that imitate the sound they denote | - |
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ophthalmia | (noun) severe conjunctivitis | Synonyms: ophthalmitis |
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ophthalmoplegia | (noun) paralysis of the motor nerves of the eye | - |
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orchidalgia | (noun) pain in the testes | - |
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