| acaryote | (noun) a cell without a nucleus (as an erythrocyte) | Synonyms: akaryocyte, akaryote |
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| acromyotonia | (noun) myotonia of the extremities only; causes spastic deformity of the hand or foot | - |
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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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| 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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| aepyornis | (noun) huge (to 9 ft.) extinct flightless bird of Madagascar | Synonyms: elephant bird |
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| akaryocyte | (noun) a cell without a nucleus (as an erythrocyte) | Synonyms: acaryote, akaryote |
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| akaryote | (noun) a cell without a nucleus (as an erythrocyte) | Synonyms: acaryote, akaryocyte |
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| amblyopia | (noun) visual impairment without apparent organic pathology | - |
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| amphictyony | (noun) an association of neighboring states or tribes in ancient Greece; established originally to defend a common religious center | - |
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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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| antibaryon | (noun) the antiparticle of a baryon; a hadron with a baryon number of -1 | - |
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| arroyo | (noun) a stream or brook | - |
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| baryon | (noun) any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadron with a baryon number of +1 | Synonyms: heavy particle |
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| batrachomyomachia | (noun) a silly altercation | - |
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| bayonet | (noun) a knife that can be fixed to the end of a rifle and used as a weapon | - |
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| bayou | (noun) a swampy arm or slow-moving outlet of a lake (term used mainly in Mississippi and Louisiana) | - |
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| billyo | (noun) an unimaginably large amount | Synonyms: all get out, billy-ho, billyoh |
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| billyoh | (noun) an unimaginably large amount | Synonyms: all get out, billy-ho, billyo |
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| booyong | (noun) large tree of Australasia | Synonyms: brown oak, crow's foot, Heritiera trifoliolata, red beech, silky elm, stave wood, Terrietia trifoliolata |
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| bryony | (noun) a vine of the genus Bryonia having large leaves and small flowers and yielding acrid juice with emetic and purgative properties | Synonyms: briony |
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| bryophyte | (noun) any of numerous plants of the division Bryophyta | Synonyms: nonvascular plant |
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| bryozoan | (noun) sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding | Synonyms: moss animal, polyzoan, sea mat, sea moss |
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| buyout | (noun) acquisition of a company by purchasing a controlling percentage of its stock | - |
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| canyon | (noun) a ravine formed by a river in an area with little rainfall | Synonyms: canon |
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| canyonside | (noun) the steeply sloping side of a canyon | - |
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| cardiomyopathy | (noun) a disorder (usually of unknown origin) of the heart muscle (myocardium) | Synonyms: myocardiopathy |
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| caryopsis | (noun) dry seed-like fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn | Synonyms: grain |
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| conveyor | (noun) a moving belt that transports objects (as in a factory) | Synonyms: conveyer, conveyer belt, conveyor belt, transporter |
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| (noun) a person who conveys (carries or transmits) | Synonyms: conveyer |
| coyol | (noun) tropical American palm having edible nuts and yielding a useful fiber | Synonyms: Acrocomia vinifera, coyol palm |
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| coyote | (noun) small wolf native to western North America | Synonyms: brush wolf, Canis latrans, prairie wolf |
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| (noun) a forest fire fighter who is sent to battle remote and severe forest fires (often for days at a time) | - |
| (noun) someone who smuggles illegal immigrants into the United States (usually across the Mexican border) | - |
| crayon | (noun) writing implement consisting of a colored stick of composition wax used for writing and drawing | Synonyms: wax crayon |
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| cryoanaesthesia | (noun) insensibility resulting from cold | Synonyms: cryoanesthesia |
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| cryoanesthesia | (noun) insensibility resulting from cold | Synonyms: cryoanaesthesia |
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| cryobiology | (noun) the branch of biology that studies the effects of low temperatures on living tissues or organs or organisms | - |
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| cryocautery | (noun) application of a substance that destroys tissue by freezing it | - |
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| (noun) an instrument for destroying tissue by freezing it | - |
| cryogen | (noun) a liquid that boils at below -160 C and is used as a refrigerant | - |
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| cryogenics | (noun) the branch of physics that studies the phenomena that occur at very low temperatures | Synonyms: cryogeny |
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| cryogeny | (noun) the branch of physics that studies the phenomena that occur at very low temperatures | Synonyms: cryogenics |
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| cryolite | (noun) a white mineral consisting of fluorides of aluminum and sodium; a source of fluorine | Synonyms: Greenland spar |
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| cryometer | (noun) a thermometer designed to measure low temperatures | - |
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| cryonics | (noun) the freezing of a seriously ill or recently deceased person to stop tissues from decomposing; the body is preserved until new medical cures are developed that might bring the person back to life | - |
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| cryopathy | (noun) destruction of tissue by freezing and characterized by tingling, blistering and possibly gangrene | Synonyms: frostbite |
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| cryophobia | (noun) a morbid fear of freezing | - |
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| cryoscope | (noun) a measuring instrument for measuring freezing and melting points | - |
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| cryostat | (noun) a thermostat that operates at very low temperatures | - |
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| cryosurgery | (noun) the use of extreme cold (usually liquid nitrogen) to destroy unwanted tissue (warts or cataracts or skin cancers) | - |
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| dacryocyst | (noun) either of the two dilated ends of the lacrimal ducts at the nasal ends of the eyes that fill with tears secreted by the lacrimal glands | Synonyms: lacrimal sac, tear sac |
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| dacryocystitis | (noun) inflammation of the lacrimal sac causing obstruction of the tube draining tears into the nose | - |
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| dacryon | (noun) the craniometric point at the junction of the anterior border of the lacrimal bone with the frontal bone | - |
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| dermatomyositis | (noun) myositis characterized by weakness of limb and neck muscles and much muscle pain and swelling accompanied by skin rash affecting cheeks and eyelids and neck and chest and limbs; progression and severity vary among individuals | - |
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| dictyosome | (noun) a netlike structure in the cytoplasm of animal cells (especially in those cells that produce secretions) | Synonyms: Golgi apparatus, Golgi body, Golgi complex |
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| dimethylglyoxime | (noun) a compound used in analysis as a precipitant for palladium or nickel | - |
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| dryopithecine | (noun) considered a possible ancestor to both anthropoid apes and humans | - |
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| electromyogram | (noun) a graphical record of electric currents associated with muscle contractions | Synonyms: EMG |
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| electromyograph | (noun) a medical instrument that records the electrical waves associated with the activity of skeletal muscles | - |
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| electromyography | (noun) diagnosis of neuromuscular disorders with the use of an electromyograph | - |
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| embryo | (noun) an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life | Synonyms: conceptus, fertilized egg |
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| (noun) (botany) a minute rudimentary plant contained within a seed or an archegonium | - |
| embryologist | (noun) a physician who specializes in embryology | - |
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| embryology | (noun) the branch of biology that studies the formation and early development of living organisms | - |
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| eucaryote | (noun) an organism with cells characteristic of all life forms except primitive microorganisms such as bacteria; i.e. an organism with `good' or membrane-bound nuclei in its cells | Synonyms: eukaryote |
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| eukaryote | (noun) an organism with cells characteristic of all life forms except primitive microorganisms such as bacteria; i.e. an organism with `good' or membrane-bound nuclei in its cells | Synonyms: eucaryote |
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| fibromyositis | (noun) local inflammation of muscle and connective tissue | - |
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| flyover | (noun) a flight at a low altitude (usually of military aircraft) over spectators on the ground | Synonyms: fly-by, flypast |
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| (noun) bridge formed by the upper level of a crossing of two highways at different levels | Synonyms: overpass |
| fryolator | (noun) A kitchen appliance for deep frying; its size depends on intended use. | Synonyms: deep fat fryer, deep fryer, frier, fryer |
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| glyoxaline | (noun) an organic base C3H4N2; a histamine inhibitor | Synonyms: imidazole, iminazole |
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| guyot | (noun) a seamount of volcanic origin (especially in the Pacific Ocean) | - |
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| halcyon | (noun) a mythical bird said to breed at the time of the winter solstice in a nest floating on the sea and to have the power of calming the winds and waves | - |
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| hyoid | (noun) a U-shaped bone at the base of the tongue that supports the tongue muscles | Synonyms: hyoid bone, os hyoideum |
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| hyoscine | (noun) an alkaloid with anticholinergic effects that is used as a sedative and to treat nausea and to dilate the pupils in ophthalmic procedures | Synonyms: scopolamine |
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| hyoscyamine | (noun) a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract | - |
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| ichthyolatry | (noun) the worship of fish | Synonyms: fish-worship |
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| ichthyologist | (noun) a zoologist who studies fishes | - |
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| ichthyology | (noun) the branch of zoology that studies fishes | - |
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| ichthyosaur | (noun) any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs | - |
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| ichthyosaurus | (noun) ichthyosaurs of the Jurassic | - |
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| ichthyosis | (noun) any of several congenital diseases in which the skin is dry and scaly like a fish | - |
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| ichthyostega | (noun) early tetrapod amphibian found in Greenland | - |
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| joyousness | (noun) the emotion of great happiness | Synonyms: joy, joyfulness |
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| karyokinesis | (noun) organic process consisting of the division of the nucleus of a cell during mitosis or meiosis | - |
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| karyolymph | (noun) a clear liquid in the cell nucleus in which the nucleolus and chromatin and other structures are dispersed | - |
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| karyolysis | (noun) disintegration and dissolution of a cell nucleus when a cell dies | - |
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| karyon | (noun) a part of the cell containing DNA and RNA and responsible for growth and reproduction | Synonyms: cell nucleus, nucleus |
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| karyoplasm | (noun) the protoplasm that constitutes the nucleus of a cell | Synonyms: nucleoplasm |
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| karyotype | (noun) the appearance of the chromosomal makeup of a somatic cell in an individual or species (including the number and arrangement and size and structure of the chromosomes) | - |
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| kayo | (noun) a blow that renders the opponent unconscious | Synonyms: knockout, KO |
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| layoff | (noun) the act of laying off an employee or a work force | - |
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| layout | (noun) the act of laying out (as by making plans for something) | - |
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| (noun) a plan or design of something that is laid out | - |
| layover | (noun) a brief stay in the course of a journey | Synonyms: stop, stopover |
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| leiomyoma | (noun) benign tumor of smooth muscle (usually in the uterus or digestive tract) | - |
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| leiomyosarcoma | (noun) sarcoma of smooth muscle; occurs most often digestive tract or uterus or bladder or prostate | - |
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| lyophilisation | (noun) a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure; material is frozen and then warmed in a vacuum so that the ice sublimes | Synonyms: freeze-drying, lyophilization |
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| lyophilization | (noun) a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure; material is frozen and then warmed in a vacuum so that the ice sublimes | Synonyms: freeze-drying, lyophilisation |
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| mayo | (noun) egg yolks and oil and vinegar | Synonyms: mayonnaise |
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| mayonnaise | (noun) egg yolks and oil and vinegar | Synonyms: mayo |
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| mayor | (noun) the head of a city government | Synonyms: city manager |
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| mayoralty | (noun) the position of mayor | - |
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| mayoress | (noun) a woman mayor | - |
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| (noun) the wife of a mayor | - |