| breechblock | (noun) a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing | Synonyms: breech closer |
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| breechcloth | (noun) a garment that provides covering for the loins | Synonyms: breechclout, loincloth |
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| breechclout | (noun) a garment that provides covering for the loins | Synonyms: breechcloth, loincloth |
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| breechloader | (noun) a gun that is loaded at the breech | - |
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| broadcloth | (noun) a closely woven silk or synthetic fabric with a narrow crosswise rib | - |
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| (noun) a densely textured woolen fabric with a lustrous finish | - |
| broadloom | (adjective) (of rugs or carpets) woven full width | - |
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| (noun) a carpet woven on a wide loom to obviate the need for seams | - |
| brucellosis | (noun) an infectious disease of domestic animals often resulting in spontaneous abortion; transmittable to human beings | Synonyms: Bang's disease, contagious abortion |
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| (noun) infectious bacterial disease of human beings transmitted by contact with infected animals or infected meat or milk products; characterized by fever and headache | Synonyms: Gibraltar fever, Malta fever, Mediterranean fever, Rock fever, undulant fever |
| buffalo | (noun) any of several Old World animals resembling oxen including, e.g., water buffalo, Cape buffalo | Synonyms: Old World buffalo |
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| (noun) large shaggy-haired brown bison of North American plains | Synonyms: American bison, American buffalo, Bison bison |
| (noun) meat from an American bison | - |
| (verb) intimidate or overawe | - |
| buffalofish | (noun) any of several large suckers of the Mississippi valley | Synonyms: buffalo fish |
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| (noun) large carp-like North American fish | - |
| bugloss | (noun) perennial or biennial herb cultivated for its delicate usually blue flowers | Synonyms: alkanet, Anchusa officinalis |
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| (noun) widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States | Synonyms: bitterweed, bristly oxtongue, oxtongue, Picris echioides |
| bugologist | (noun) a zoologist who studies insects | Synonyms: bug-hunter, entomologist |
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| bugology | (noun) the branch of zoology that studies insects | Synonyms: entomology |
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| bullock | (noun) castrated bull | Synonyms: steer |
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| (noun) young bull | - |
| bullocky | (adjective) resembling a bullock in strength and power | - |
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| bungaloid | (adjective) characterized by bungalows | - |
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| bungalow | (noun) a small house with a single story | Synonyms: cottage |
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| busload | (noun) the quantity of cargo or the number of passengers that a bus can carry | - |
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| butterflower | (noun) any of various plants of the genus Ranunculus | Synonyms: butter-flower, buttercup, crowfoot, goldcup, kingcup |
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| cachalot | (noun) large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris | Synonyms: black whale, Physeter catodon, sperm whale |
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| caimitillo | (noun) tropical American timber tree with dark hard heavy wood and small plumlike purple fruit | Synonyms: Chrysophyllum oliviforme, damson plum, satin leaf, satinleaf |
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| calcicolous | (adjective) growing or living in soil rich in lime | - |
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| calculous | (adjective) relating to or caused by or having a calculus or calculi | - |
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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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| callosity | (noun) devoid of passion or feeling; hardheartedness | Synonyms: callousness, hardness, insensibility, unfeelingness |
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| (noun) an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot) | Synonyms: callus |
| 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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| callous | (adjective) emotionally hardened | Synonyms: indurate, pachydermatous |
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| (adjective) having calluses; having skin made tough and thick through wear | Synonyms: calloused, thickened |
| (verb) make insensitive or callous; deaden feelings or morals | Synonyms: cauterise, cauterize |
| calloused | (adjective) having calluses; having skin made tough and thick through wear | Synonyms: callous, thickened |
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| callously | (adverb) in a callous way | Synonyms: unfeelingly |
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| callousness | (noun) devoid of passion or feeling; hardheartedness | Synonyms: callosity, hardness, insensibility, unfeelingness |
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| callow | (adjective) young and inexperienced | Synonyms: fledgling, unfledged |
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| callowness | (noun) lacking and evidencing lack of experience of life | Synonyms: jejuneness, juvenility |
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| calomel | (noun) a tasteless colorless powder used medicinally as a cathartic | Synonyms: mercurous chloride |
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| caloric | (adjective) relating to or associated with heat | Synonyms: thermal, thermic |
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| (adjective) of or relating to calories in food | - |
| calorie | (noun) unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure | Synonyms: gram calorie, small calorie |
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| calorifacient | (adjective) producing heat; usually used of foods | - |
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| calorific | (adjective) heat-generating | - |
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| calorimeter | (noun) a measuring instrument that determines quantities of heat | - |
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| calorimetric | (adjective) of or relating to the measurement of heat | - |
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| calorimetry | (noun) measurement of quantities of heat | - |
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| calorisator | (noun) an apparatus used in beet-sugar factories to heat the juice in order to aid the diffusion. | Synonyms: calorizator |
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| calorizator | (noun) an apparatus used in beet-sugar factories to heat the juice in order to aid the diffusion. | Synonyms: calorisator |
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| calosoma | (noun) any beetle of the genus Calosoma | - |
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| camelopard | (noun) tallest living quadruped; having a spotted coat and small horns and very long neck and legs; of savannahs of tropical Africa | Synonyms: Giraffa camelopardalis, giraffe |
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| campylotropous | (adjective) (of a plant ovule) curved with the micropyle near the base almost touching its stalk | - |
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| cancellous | (adjective) having an open or latticed or porous structure | Synonyms: cancellate, cancellated |
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| candyfloss | (noun) a candy made by spinning sugar that has been boiled to a high temperature | Synonyms: cotton candy, spun sugar |
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| cannelloni | (noun) tubular pasta filled with meat or cheese | - |
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| cantaloup | (noun) the fruit of a cantaloup vine; small to medium-sized melon with yellowish flesh | Synonyms: cantaloupe |
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| (noun) a variety of muskmelon vine having fruit with a tan rind and orange flesh | Synonyms: cantaloup vine, cantaloupe, cantaloupe vine, Cucumis melo cantalupensis |
| cantaloupe | (noun) the fruit of a cantaloup vine; small to medium-sized melon with yellowish flesh | Synonyms: cantaloup |
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| (noun) a variety of muskmelon vine having fruit with a tan rind and orange flesh | Synonyms: cantaloup, cantaloup vine, cantaloupe vine, Cucumis melo cantalupensis |
| cardiologic | (adjective) of or relating to or used in or practicing cardiology | - |
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| cardiologist | (noun) a specialist in cardiology; a specialist in the structure and function and disorders of the heart | Synonyms: heart specialist, heart surgeon |
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| cardiology | (noun) the branch of medicine dealing with the heart and its diseases | - |
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| carillon | (noun) playing a set of bells that are (usually) hung in a tower | Synonyms: bell ringing, carillon playing |
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| (noun) set of bells hung in a bell tower | - |
| carillonneur | (noun) a musician who plays a carillon | - |
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| carload | (noun) a gathering of passengers sufficient to fill an automobile | - |
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| (noun) the amount of cargo that can be held by a boat or ship or a freight car | Synonyms: boatload, shipload |
| cartload | (noun) the quantity that a cart holds | - |
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| carunculous | (adjective) resembling a caruncle | Synonyms: caruncular |
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| carvedilol | (noun) beta blocker that can reduce the progression of heart failure in individuals whose disease is not advanced | - |
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| catalog | (noun) a book or pamphlet containing an enumeration of things | Synonyms: catalogue |
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| (noun) a complete list of things; usually arranged systematically | Synonyms: catalogue |
| (verb) make an itemized list or catalog of; classify | Synonyms: catalogue |
| (verb) make a catalogue, compile a catalogue | Synonyms: catalogue |
| cataloger | (noun) a librarian who classifies publications according to a categorial system | Synonyms: cataloguer |
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| catalogue | (noun) a book or pamphlet containing an enumeration of things | Synonyms: catalog |
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| (noun) a complete list of things; usually arranged systematically | Synonyms: catalog |
| (verb) make an itemized list or catalog of; classify | Synonyms: catalog |
| (verb) make a catalogue, compile a catalogue | Synonyms: catalog |
| cataloguer | (noun) a librarian who classifies publications according to a categorial system | Synonyms: cataloger |
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| cattalo | (noun) hardy breed of cattle resulting from crossing domestic cattle with the American buffalo; yields leaner beef than conventional breeds | Synonyms: beefalo |
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| cauliflower | (noun) compact head of white undeveloped flowers | - |
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| (noun) a plant having a large edible head of crowded white flower buds | Synonyms: Brassica oleracea botrytis |
| cellblock | (noun) a division of a prison (usually consisting of several cells) | Synonyms: ward |
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| cello | (noun) a large stringed instrument; seated player holds it upright while playing | Synonyms: violoncello |
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| cellophane | (noun) a transparent paperlike product that is impervious to moisture and used to wrap candy or cigarettes etc. | - |
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| celluloid | (adjective) artificial as if portrayed in a film | Synonyms: synthetic |
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| (noun) a medium that disseminates moving pictures | Synonyms: cinema, film |
| (noun) highly flammable substance made from cellulose nitrate and camphor; used in e.g. motion-picture and X-ray film; its use has decreased with the development of nonflammable thermoplastics | - |
| cellulose | (noun) a polysaccharide that is the chief constituent of all plant tissues and fibers | - |
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| cellulosic | (noun) a plastic made from cellulose (or a derivative of cellulose) | - |
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| cellulosid | (adjective) of or containing or made from cellulose | - |
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| celom | (noun) a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity | Synonyms: celoma, coelom |
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| celoma | (noun) a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity | Synonyms: celom, coelom |
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| cembalo | (noun) a clavier with strings that are plucked by plectra mounted on pivots | Synonyms: harpsichord |
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| cephalochordate | (noun) fish-like animals having a notochord rather than a true spinal column | - |
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| cephaloglycin | (noun) antibiotic related to cephalosporin but no longer in common use | Synonyms: Kafocin |
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| cephalohematoma | (noun) a collection of blood under the scalp of a newborn; caused by pressure during birth | Synonyms: cephalhematoma |
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| cephalometry | (noun) measurement of human heads | - |
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| cephalopod | (adjective) relating or belonging to the class Cephalopoda | Synonyms: cephalopodan |
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| (noun) marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles | Synonyms: cephalopod mollusk |
| cephalopodan | (adjective) relating or belonging to the class Cephalopoda | Synonyms: cephalopod |
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| cephaloridine | (noun) a broad spectrum semisynthetic antibiotic produced by modifying cephalosporin | - |
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| cephalosporin | (noun) one of several broad spectrum antibiotic substances obtained from fungi and related to penicillin (trade names Mefoxin); addition of side chains has produced semisynthetic antibiotics with greater antibacterial activity | Synonyms: Mefoxin |
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| cephalothin | (noun) a semisynthetic analogue of cephalosporin | - |
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| cerecloth | (noun) a waterproof waxed cloth once used as a shroud | - |
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| ceylonite | (noun) a dark-colored spinel containing iron | Synonyms: pleonaste |
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| chadlock | (noun) weedy Eurasian plant often a pest in grain fields | Synonyms: Brassica kaber, charlock, field mustard, Sinapis arvensis, wild mustard |
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| chancellor | (noun) the person who is head of government (in several countries) | Synonyms: premier, prime minister |
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| (noun) the honorary or titular head of a university | - |
| chancellorship | (noun) the office of chancellor | - |
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| charlock | (noun) weedy Eurasian plant often a pest in grain fields | Synonyms: Brassica kaber, chadlock, field mustard, Sinapis arvensis, wild mustard |
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| charlotte | (noun) a mold lined with cake or crumbs and filled with fruit or whipped cream or custard | - |
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| checkerbloom | (noun) perennial purple-flowered wild mallow of western North America that is also cultivated | Synonyms: Sidalcea malviflora, wild hollyhock |
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| cheesecloth | (noun) a coarse loosely woven cotton gauze; originally used to wrap cheeses | - |
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| cheeseflower | (noun) erect or decumbent Old World perennial with axillary clusters of rosy-purple flowers; introduced in United States | Synonyms: cheese, high mallow, Malva sylvestris, tall mallow |
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| cheiloschisis | (noun) a congenital cleft in the middle of the upper lip | Synonyms: cleft lip, harelip |
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| cheiloscopy | (noun) a forensic investigation technique that deals with identification of humans based on lip traces. | - |
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| cheilosis | (noun) a disorder of the lips marked by scaling and fissures at the corners of the mouth; caused by a deficiency of riboflavin | Synonyms: perleche |
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| cheloid | (noun) raised pinkish scar tissue at the site of an injury; results from excessive tissue repair | Synonyms: keloid |
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| chelonian | (adjective) of or relating to or resembling or being a turtle or tortoise | - |
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| (noun) a reptile of the order Chelonia | Synonyms: chelonian reptile |
| chemoimmunology | (noun) the field of chemistry concerned with chemical processes in immunology (such as chemical studies of antigens and antibodies) | Synonyms: immunochemistry |
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| chiggerflower | (noun) erect perennial of eastern and southern United States having showy orange flowers | Synonyms: Asclepias tuberosa, butterfly weed, chigger flower, Indian paintbrush, orange milkweed, pleurisy root, tuber root |
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