| academy | (noun) a learned establishment for the advancement of knowledge | - |
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| (noun) a secondary school (usually private) | - |
| (noun) a school for special training | - |
| (noun) an institution for the advancement of art or science or literature | Synonyms: honorary society |
| achlamydeous | (adjective) not having a floral envelope or perianth | - |
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| acromyotonia | (noun) myotonia of the extremities only; causes spastic deformity of the hand or foot | - |
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| actinomyces | (noun) soil-inhabiting saprophytes and disease-producing plant and animal parasites | - |
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| actinomycetal | (adjective) of or belonging to the actinomycetes | Synonyms: actinomycetous |
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| actinomycete | (noun) any bacteria (some of which are pathogenic for humans and animals) belonging to the order Actinomycetales | - |
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| actinomycetous | (adjective) of or belonging to the actinomycetes | Synonyms: actinomycetal |
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| actinomycin | (noun) any of various red antibiotics isolated from soil bacteria | - |
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| actinomycosis | (noun) disease of cattle that can be transmitted to humans; results from infection with actinomycetes; characterized by hard swellings that exude pus through long sinuses | - |
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| actinomycotic | (adjective) of or related to actinomycosis infection | - |
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| actinomyxidian | (noun) of or relating to parasites of worms | - |
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| actomyosin | (noun) a protein complex in muscle fibers; composed of myosin and actin; shortens when stimulated and causes muscle contractions | - |
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| adenoidectomy | (noun) surgical removal of the adenoids; commonly performed along with tonsillectomy | - |
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| adenomyosarcoma | (noun) malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass | Synonyms: embryoma of the kidney, nephroblastoma, Wilms' tumor, Wilms tumour |
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| adenomyosis | (noun) the presence of endometrium elsewhere than in the lining of the uterus; causes premenstrual pain and dysmenorrhea | Synonyms: endometriosis |
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| adrenalectomy | (noun) surgical removal of one or both adrenal glands | Synonyms: suprarenalectomy |
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| agronomy | (noun) the application of soil and plant sciences to land management and crop production | Synonyms: scientific agriculture |
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| alchemy | (noun) a pseudoscientific forerunner of chemistry in medieval times | - |
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| (noun) the way two individuals relate to each other | Synonyms: chemistry, interpersonal chemistry |
| allogamy | (noun) cross-fertilization in plants | - |
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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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| 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 |
| anisogamy | (noun) (biology) reproduction by the union or fusion of two differing gametes (especially differing in size) | - |
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| anomy | (noun) lack of moral standards in a society | Synonyms: anomie |
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| (noun) personal state of isolation and anxiety resulting from a lack of social control and regulation | Synonyms: anomie |
| antimycin | (noun) a crystalline antibiotic active against various fungi | - |
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| antimycotic | (noun) any agent that destroys or prevents the growth of fungi | Synonyms: antifungal, antifungal agent, antimycotic agent, fungicide |
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| antinomy | (noun) a contradiction between two statements that seem equally reasonable | - |
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| antonymy | (noun) the semantic relation that holds between two words that can (in a given context) express opposite meanings | - |
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| apogamy | (noun) (botany) development of an embryo without fertilization; especially the development in some ferns of a sporophyte from the gametophyte without fertilization | - |
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| appendectomy | (noun) surgical removal of the vermiform appendix | Synonyms: appendicectomy |
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| appendicectomy | (noun) surgical removal of the vermiform appendix | Synonyms: appendectomy |
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| army | (noun) a permanent organization of the military land forces of a nation or state | Synonyms: ground forces, regular army |
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| (noun) a large number of people united for some specific purpose | - |
| armyworm | (noun) moth whose destructive larvae travel in multitudes | Synonyms: Pseudaletia unipuncta |
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| (noun) noctuid moth larvae that travel in multitudes destroying especially grass and grain | Synonyms: army worm, Pseudaletia unipuncta |
| (noun) larva of fungus gnat that feed on cereals and other grains; they march in large companies in regular order when the food is exhausted | - |
| ascomycete | (noun) any fungus of the class Ascomycetes (or subdivision Ascomycota) in which the spores are formed inside an ascus | Synonyms: ascomycetous fungus |
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| ascomycetous | (adjective) related to or characteristic of fungi of the class Ascomycetes | - |
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| astronomy | (noun) the branch of physics that studies celestial bodies and the universe as a whole | Synonyms: uranology |
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| autogamy | (noun) self-fertilization in plants | - |
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| automysophobia | (noun) a morbid fear of being dirty | - |
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| autonomy | (noun) immunity from arbitrary exercise of authority: political independence | Synonyms: liberty |
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| (noun) personal independence | Synonyms: self-direction, self-reliance, self-sufficiency |
| autotomy | (noun) spontaneous removal or casting off of a body part (as the tail of a lizard or claw of a lobster) especially when the organism is injured or under attack | - |
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| azithromycin | (noun) a systemic antibacterial medicine (trade name Zithromax) that is prescribed to treat bacterial infections in many different parts of the body | Synonyms: Zithromax |
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| balmy | (adjective) mild and pleasant | Synonyms: mild, soft |
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| (adjective) informal or slang terms for mentally irregular | Synonyms: around the bend, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kookie, kooky, loco, loony, loopy, nuts, nutty, round the bend, wacky, whacky |
| balsamy | (adjective) of or relating to or containing balsam | Synonyms: balsamic |
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| barmy | (adjective) informal or slang terms for mentally irregular | Synonyms: around the bend, balmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kookie, kooky, loco, loony, loopy, nuts, nutty, round the bend, wacky, whacky |
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| (adjective) marked by spirited enjoyment | Synonyms: yeasty, zestful, zesty |
| basidiomycete | (noun) any of various fungi of the subdivision Basidiomycota | Synonyms: basidiomycetous fungi |
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| basidiomycetous | (adjective) pertaining to or characteristic of fungi of the class Basidiomycetes | - |
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| batrachomyomachia | (noun) a silly altercation | - |
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| beamy | (adjective) radiating or as if radiating light | Synonyms: beaming, effulgent, radiant, refulgent |
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| (adjective) broad in the beam | - |
| bigamy | (noun) the offense of marrying someone while you have a living spouse from whom no valid divorce has occurred | - |
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| (noun) the state of having two spouses at the same time | - |
| blasphemy | (noun) blasphemous behavior; the act of depriving something of its sacred character | Synonyms: desecration, profanation, sacrilege |
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| (noun) blasphemous language (expressing disrespect for God or for something sacred) | - |
| blastomycete | (noun) any of various yeastlike budding fungi of the genus Blastomyces; cause disease in humans and other animals | - |
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| blastomycosis | (noun) any of several infections of the skin or mucous membrane caused by Blastomyces | - |
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| blastomycotic | (adjective) of or relating to or characteristic of blastomycosis | - |
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| bosomy | (adjective) (of a woman's body) having a large bosom and pleasing curves | Synonyms: busty, buxom, curvaceous, curvy, full-bosomed, sonsie, sonsy, stacked, voluptuous, well-endowed |
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| callosectomy | (noun) severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy) | Synonyms: callosotomy |
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| callosotomy | (noun) severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy) | Synonyms: callosectomy |
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| carbomycin | (noun) a colorless basic antibiotic that inhibits the growth of Gram-positive organisms | - |
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| cardiomyopathy | (noun) a disorder (usually of unknown origin) of the heart muscle (myocardium) | Synonyms: myocardiopathy |
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| chammy | (noun) a soft suede leather formerly from the skin of the chamois antelope but now from sheepskin | Synonyms: chammy leather, chamois, chamois leather, shammy, shammy leather |
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| chlamydeous | (adjective) having a floral envelope or perianth consisting of a calyx and/or corolla | - |
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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 | - |
| chlamydial | (adjective) of or pertaining to the sexually transmitted infection or to the parasite | - |
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| chlamydospore | (noun) thick-walled asexual resting spore of certain fungi and algae | - |
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| chlamyphore | (noun) very small Argentine armadillo with pale silky hair and pink plates on head and neck | Synonyms: Chlamyphorus truncatus, fairy armadillo, pichiciago, pichiciego |
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| chlamys | (noun) a short mantle or cape fastened at the shoulder; worn by men in ancient Greece | - |
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| (noun) collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils | Synonyms: floral envelope, perianth, perigone, perigonium |
| cholecystectomy | (noun) surgical removal of the gall bladder (usually for relief of gallstone pain) | - |
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| cholelithotomy | (noun) removal of gallstone through an incision in the gallbladder | - |
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| chromoblastomycosis | (noun) a fungal infection characterized by itchy warty nodules on the skin | - |
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| chummy | (adjective) (used informally) associated on close terms | Synonyms: buddy-buddy, thick |
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| (adjective) (used colloquially) having the relationship of friends or pals | Synonyms: matey, pally, palsy-walsy |
| clammy | (adjective) unpleasantly cool and humid | Synonyms: dank |
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| clammyweed | (noun) strong-scented herb common in southern United States covered with intermixed gland and hairs | Synonyms: Polanisia dodecandra, Polanisia graveolens |
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| cleistogamy | (noun) the production of small nonopening self-pollinating flowers | - |
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| clitoridectomy | (noun) excision of the clitoris | Synonyms: female circumcision |
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| coccidioidomycosis | (noun) an infection of the lungs and skin characterized by excessive sputum and nodules | Synonyms: coccidiomycosis, desert rheumatism, valley fever |
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| coccidiomycosis | (noun) an infection of the lungs and skin characterized by excessive sputum and nodules | Synonyms: coccidioidomycosis, desert rheumatism, valley fever |
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| cockamamy | (adjective) informal term for ridiculous and implausible | Synonyms: cockamamie |
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| colostomy | (noun) a surgical operation that creates an opening from the colon to the surface of the body to function as an anus | - |
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| craniotomy | (noun) a surgical opening through the skull | - |
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| creamy | (adjective) of the color of cream | - |
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| (adjective) thick like cream | - |
| crummy | (adjective) of very poor quality; flimsy | Synonyms: bum, cheap, cheesy, chintzy, punk, sleazy, tinny |
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| demyelinate | (verb) destroy the myelin sheath of | - |
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| demyelination | (noun) loss of the myelin covering of some nerve fibers resulting in their impaired function | - |
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