| amputation | (noun) a surgical removal of all or part of a limb | - |
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| (noun) a condition of disability resulting from the loss of one or more limbs | - |
| amputator | (noun) a surgeon who removes part or all of a limb | - |
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| amputee | (noun) someone who has had a limb removed by amputation | - |
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| amrinone | (noun) a drug (trade name Inocor) used intravenously in heart failure; increases strength of contraction of myocardium | Synonyms: Inocor |
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| amuck | (adjective) wildly frenzied and out of control | Synonyms: amok, berserk |
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| (adverb) in a murderous frenzy | Synonyms: amok, murderously |
| (adverb) wildly; without self-control | Synonyms: amok |
| amulet | (noun) a trinket or piece of jewelry usually hung about the neck and thought to be a magical protection against evil or disease | Synonyms: talisman |
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| amuse | (verb) make (somebody) laugh | - |
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| (verb) occupy in an agreeable, entertaining or pleasant fashion | Synonyms: disport, divert |
| amused | (adjective) pleasantly occupied | Synonyms: diverted, entertained |
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| amusement | (noun) an activity that is diverting and that holds the attention | Synonyms: entertainment |
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| (noun) a feeling of delight at being entertained | - |
| amusing | (adjective) arousing or provoking laughter | Synonyms: comic, comical, funny, laughable, mirthful, risible |
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| (adjective) providing enjoyment; pleasantly entertaining | Synonyms: amusive, diverting |
| amusingly | (adverb) in an entertaining and amusing manner | Synonyms: divertingly |
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| amusive | (adjective) providing enjoyment; pleasantly entertaining | Synonyms: amusing, diverting |
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| amygdala | (noun) an almond-shaped neural structure in the anterior part of the temporal lobe of the cerebrum; intimately connected with the hypothalamus and the hippocampus and the cingulate gyrus; as part of the limbic system it plays an important role in motivation and emotional behavior | Synonyms: amygdaloid nucleus, corpus amygdaloideum |
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| amygdaliform | (adjective) shaped like an almond | Synonyms: almond-shaped, amygdaloid, amygdaloidal |
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| amygdalin | (noun) a bitter cyanogenic glucoside extracted from the seeds of apricots and plums and bitter almonds | - |
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| amygdaline | (adjective) related to or resembling an almond | - |
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| amygdaloid | (adjective) shaped like an almond | Synonyms: almond-shaped, amygdaliform, amygdaloidal |
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| (noun) volcanic rock in which rounded cavities formed by expanding gas have subsequently become filled with mineral deposits | - |
| amygdaloidal | (adjective) shaped like an almond | Synonyms: almond-shaped, amygdaliform, amygdaloid |
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| amygdalotomy | (noun) psychosurgery in which amygdaloid fibers that mediate limbic system activity are severed (in cases of extreme uncontrollable violence) | - |
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| amyl | (noun) a hydrocarbon radical that occurs in many organic compounds | - |
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| amylaceous | (adjective) resembling starch | Synonyms: amyloid, amyloidal, farinaceous, starchlike |
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| amylase | (noun) any of a group of proteins found in saliva and pancreatic juice and parts of plants; help convert starch to sugar | - |
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| amyloid | (adjective) resembling starch | Synonyms: amylaceous, amyloidal, farinaceous, starchlike |
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| (noun) (pathology) a waxy translucent complex protein resembling starch that results from degeneration of tissue | - |
| (noun) a non-nitrogenous food substance consisting chiefly of starch; any substance resembling starch | - |
| amyloidal | (adjective) resembling starch | Synonyms: amylaceous, amyloid, farinaceous, starchlike |
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| amyloidosis | (noun) a disorder characterized by deposit of amyloid in organs or tissues; often secondary to chronic rheumatoid arthritis or tuberculosis or multiple myeloma | - |
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| amylolysis | (noun) conversion of starch to sugar | - |
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| amylolytic | (adjective) of or related to the process of amylolysis | - |
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| amylum | (noun) a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice; an important foodstuff and used otherwise especially in adhesives and as fillers and stiffeners for paper and textiles | Synonyms: starch |
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| amyotonia | (noun) lack of normal muscular tension or tonus | Synonyms: atonia, atonicity, atony |
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| amyotrophia | (noun) progressive wasting of muscle tissues | Synonyms: amyotrophy |
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| amyotrophy | (noun) progressive wasting of muscle tissues | Synonyms: amyotrophia |
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| amyxia | (noun) a condition in which no mucus in produced | - |
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| anabolism | (noun) the synthesis in living organisms of more complex substances (e.g., living tissue) from simpler ones together with the storage of energy | Synonyms: constructive metabolism |
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| anachronism | (noun) an artifact that belongs to another time | - |
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| (noun) a person who seems to be displaced in time; who belongs to another age | - |
| (noun) something located at a time when it could not have existed or occurred | Synonyms: misdating, mistiming |
| anadromous | (adjective) migrating from the sea to fresh water to spawn | - |
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| anaemia | (noun) a deficiency of red blood cells | Synonyms: anemia |
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| (noun) a lack of vitality | Synonyms: anemia |
| anaemic | (adjective) relating to anemia or suffering from anemia | Synonyms: anemic |
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| (adjective) lacking vigor or energy | Synonyms: anemic |
| anagram | (noun) a word or phrase spelled by rearranging the letters of another word or phrase | - |
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| (verb) read letters out of order to discover a hidden meaning | Synonyms: anagrammatise, anagrammatize |
| anagrammatic | (adjective) related to anagrams or containing or making an anagram | Synonyms: anagrammatical |
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| anagrammatical | (adjective) related to anagrams or containing or making an anagram | Synonyms: anagrammatic |
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| anagrammatise | (verb) read letters out of order to discover a hidden meaning | Synonyms: anagram, anagrammatize |
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| anagrammatize | (verb) read letters out of order to discover a hidden meaning | Synonyms: anagram, anagrammatise |
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| anagrams | (noun) a game whose object is to form words from a group of randomly chosen letters | - |
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| analbuminemia | (noun) an abnormally low level of albumin in the blood serum | - |
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| analphabetism | (noun) an inability to read | Synonyms: illiteracy |
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| anamnesis | (noun) the ability to recall past occurrences | Synonyms: recollection, remembrance |
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| (noun) the case history of a medical patient as recalled by the patient | Synonyms: medical history, medical record |
| anamnestic | (adjective) of or relating to anamnesis; aiding the memory | - |
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| anamorphic | (adjective) pertaining to a kind of distorting optical system | - |
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| (adjective) pertaining to gradual evolution from one type of organism to another | - |
| anamorphism | (noun) a distorted projection or perspective; especially an image distorted in such a way that it becomes visible only when viewed in a special manner | Synonyms: anamorphosis |
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| (noun) metamorphism that occurs deep under the earth's surface; changes simple minerals into complex minerals | - |
| (noun) the evolution of one type of organism from another by a long series of gradual changes | Synonyms: anamorphosis |
| anamorphosis | (noun) a distorted projection or perspective; especially an image distorted in such a way that it becomes visible only when viewed in a special manner | Synonyms: anamorphism |
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| (noun) the evolution of one type of organism from another by a long series of gradual changes | Synonyms: anamorphism |
| anancasm | (noun) An obsolete term for ritualistic act or sequence of acts performed by a person with obsessive-compulsive neurosis. | - |
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| anaplasmosis | (noun) a disease of cattle that is transmitted by cattle ticks; similar to Texas fever | - |
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| anarchism | (noun) a political theory favoring the abolition of governments | - |
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| anastigmat | (noun) compound lens or lens system designed to be free of astigmatism and able to form approximately point images | - |
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| anastigmatic | (adjective) not astigmatic | Synonyms: stigmatic |
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| (adjective) pertaining to a lens or lens system free of astigmatism (able to form point images) | Synonyms: stigmatic |
| anastomose | (verb) cause to join or open into each other by anastomosis | Synonyms: inosculate |
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| (verb) come together or open into each other | Synonyms: inosculate |
| anastomosis | (noun) a natural or surgical joining of parts or branches of tubular structures so as to make or become continuous | Synonyms: inosculation |
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| anastomotic | (adjective) of or relating to or exhibiting anastomosis | - |
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| anathema | (noun) a formal ecclesiastical curse accompanied by excommunication | - |
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| (noun) a detested person | Synonyms: bete noire |
| anathematisation | (noun) the formal act of pronouncing (someone or something) accursed | Synonyms: anathematization |
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| anathematise | (verb) curse or declare to be evil or anathema or threaten with divine punishment | Synonyms: accurse, anathematize, anathemise, anathemize, comminate, execrate |
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| anathematization | (noun) the formal act of pronouncing (someone or something) accursed | Synonyms: anathematisation |
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| anathematize | (verb) curse or declare to be evil or anathema or threaten with divine punishment | Synonyms: accurse, anathematise, anathemise, anathemize, comminate, execrate |
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| anathemise | (verb) curse or declare to be evil or anathema or threaten with divine punishment | Synonyms: accurse, anathematise, anathematize, anathemize, comminate, execrate |
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| (verb) wish harm upon; invoke evil upon | Synonyms: anathemize, bedamn, beshrew, curse, damn, imprecate, maledict |
| anathemize | (verb) wish harm upon; invoke evil upon | Synonyms: anathemise, bedamn, beshrew, curse, damn, imprecate, maledict |
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| (verb) curse or declare to be evil or anathema or threaten with divine punishment | Synonyms: accurse, anathematise, anathematize, anathemise, comminate, execrate |
| anatomic | (adjective) of or relating to the structure of the body | Synonyms: anatomical |
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| (adjective) of or relating to the branch of morphology that studies the structure of organisms | Synonyms: anatomical |
| anatomical | (adjective) of or relating to the structure of the body | Synonyms: anatomic |
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| (adjective) of or relating to the branch of morphology that studies the structure of organisms | Synonyms: anatomic |
| (noun) an expression that relates to anatomy | Synonyms: anatomical reference |
| anatomically | (adverb) with respect to anatomy | - |
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| anatomise | (verb) dissect in order to analyze | Synonyms: anatomize |
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| anatomist | (noun) an expert in anatomy | - |
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| anatomize | (verb) analyze down to the smallest detail | - |
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| (verb) dissect in order to analyze | Synonyms: anatomise |
| anatomy | (noun) a detailed analysis | - |
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| (noun) alternative names for the body of a human being | Synonyms: bod, build, chassis, figure, flesh, form, frame, human body, material body, physical body, physique, shape, soma |
| (noun) the branch of morphology that deals with the structure of animals | Synonyms: general anatomy |
| anchorman | (noun) a television reporter who coordinates a broadcast to which several correspondents contribute | Synonyms: anchor, anchorperson |
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| andelmin | (noun) any of several tropical American trees of the genus Andira | Synonyms: angelim |
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| androecium | (noun) a male gametoecium | - |
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| andromeda | (noun) any of several shrubs of the genus Andromeda having leathery leaves and clusters of small flowers | - |
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| (noun) broad-leaved evergreen Asiatic shrub with glossy leaves and drooping clusters of white flowers | Synonyms: Japanese andromeda, lily-of-the-valley tree, Pieris japonica |
| anecdotalism | (noun) The property of being related to short accounts of real incidents or persons, often humorous or interesting. | - |
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| anemia | (noun) a deficiency of red blood cells | Synonyms: anaemia |
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| (noun) a lack of vitality | Synonyms: anaemia |
| anemic | (adjective) relating to anemia or suffering from anemia | Synonyms: anaemic |
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| (adjective) lacking vigor or energy | Synonyms: anaemic |
| anemoclinometer | (noun) A type of instrument which measures the inclination of the wind to the horizontal plane. | - |
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| anemograph | (noun) An instrument which records wind velocities. | - |
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| anemographic | (adjective) pertaining to the recording of wind measurements | - |
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| anemography | (noun) recording anemometrical measurements | - |
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| anemometer | (noun) a gauge for recording the speed and direction of wind | Synonyms: wind gage, wind gauge |
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| anemometric | (adjective) pertaining to the measurement of wind speed and direction | Synonyms: anemometrical |
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| anemometrical | (adjective) pertaining to the measurement of wind speed and direction | Synonyms: anemometric |
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| anemometry | (noun) measuring wind speed and direction | - |
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| anemone | (noun) marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton | Synonyms: sea anemone |
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| (noun) any woodland plant of the genus Anemone grown for its beautiful flowers and whorls of dissected leaves | Synonyms: windflower |
| anemophilous | (adjective) of flowering plants (especially grasses etc) that are pollinated by the wind | - |
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| anestrum | (noun) applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus | Synonyms: anestrus, anoestrum, anoestrus |
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| aneurism | (noun) a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall | Synonyms: aneurysm |
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| aneurismal | (adjective) relating to or affected by an aneurysm | Synonyms: aneurismatic, aneurysmal, aneurysmatic |
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| aneurismatic | (adjective) relating to or affected by an aneurysm | Synonyms: aneurismal, aneurysmal, aneurysmatic |
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| aneurysm | (noun) a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall | Synonyms: aneurism |
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| aneurysmal | (adjective) relating to or affected by an aneurysm | Synonyms: aneurismal, aneurismatic, aneurysmatic |
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| aneurysmatic | (adjective) relating to or affected by an aneurysm | Synonyms: aneurismal, aneurismatic, aneurysmal |
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| angelim | (noun) any of several tropical American trees of the genus Andira | Synonyms: andelmin |
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| angiocardiogram | (noun) a series of X rays representing the action of the heart and its blood vessels after the injection of a radiopaque substance | - |
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| angioedema | (noun) recurrent large circumscribed areas of subcutaneous edema; onset is sudden and it disappears within 24 hours; seen mainly in young women, often as an allergic reaction to food or drugs | Synonyms: atrophedema, giant hives, periodic edema, Quincke's edema |
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| angiogram | (noun) an X-ray representation of blood vessels made after the injection of a radiopaque substance | - |
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