cyclooxygenase-1

an enzyme that regulates prostaglandins that are important for the health of the stomach lining and kidneys; "an unfortunate side effect of NSAIDs is that they block Cox-1" ;

cyclooxygenase-2

an enzyme that makes prostaglandins that cause inflammation and pain and fever; "the beneficial effects of NSAIDs result from their ability to block Cox-2" ;

cyclopaedia

a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty ;

cyclopean masonry

a primitive style of masonry characterized by use of massive stones of irregular shape and size ;

cyclopedia

a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty ;

cyclopes

only the silky anteater ;

cyclopes didactylus

squirrel-sized South American toothless anteater with long silky golden fur ;

cyclophorus

tropical Old World ferns having closely crowded circular sori and no indusia ;

cyclophorus lingua

east Asian fern having fronds shaped like tongues; sometimes placed in genus Cyclophorus ;

cyclopia

a developmental abnormality in which there is only one eye ;

cyclopropane

a colorless flammable gas sometimes used as an inhalation anesthetic ;

cyclops

minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming; important in some food chains and as intermediate hosts of parasitic worms that affect man e.g. Guinea worms ; (Greek mythology) one of a race of giants having a single eye in the middle of their forehead ;

cyclopteridae

lumpfishes ;

cyclopterus

type genus of the Cyclopteridae: lumpfishes ;

cyclopterus lumpus

clumsy soft thick-bodied northern Atlantic fish with pelvic fins fused into a sucker; edible roe used for caviar ;

cyclorama

a picture (or series of pictures) representing a continuous scene ;

cycloserine

an antibiotic that is especially active against the tubercle bacillus ;

cyclosis

the circulation of cytoplasm within a cell ;

cyclosorus

small genus of terrestrial ferns of tropical and subtropical southern hemisphere ;

cyclosporeae

in more recent classifications superseded by the order Fucales ;

cyclostomata

primitive jawless aquatic vertebrate: lampreys; hagfishes ;

cyclostome

primitive aquatic vertebrate ;

cyclostyle

a writing implement with a small toothed wheel that cuts small holes in a stencil ;

cyclothymia

a mild bipolar disorder that persists over a long time ;

cyclothymic disorder

a mild bipolar disorder that persists over a long time ;

cyclotron

an accelerator that imparts energies of several million electron-volts to rapidly moving particles ;

cycnoches

genus of epiphytic or terrestrial tropical American orchids ;

cyder

a beverage made from juice pressed from apples ;

cydippea

ctenophores having two long pinnate tentacles ;

cydippida

ctenophores having two long pinnate tentacles ;

cydippidea

ctenophores having two long pinnate tentacles ;

cydonia

quince ;

cydonia oblonga

small Asian tree with pinkish flowers and pear-shaped fruit; widely cultivated ;

cygnet

a young swan ;

cygnus

a genus of Anatidae ; a constellation in the northern hemisphere between Pegasus and Draco in the Milky Way; contains a black hole ;

cygnus atratus

large Australian swan having black plumage and a red bill ;

cygnus buccinator

large pure white wild swan of western North America having a sonorous cry ;

cygnus columbianus

swan that nests in tundra regions of the New and Old Worlds ;

cygnus columbianus bewickii

Eurasian subspecies of tundra swan; smaller than the whooper ;

cygnus columbianus columbianus

North American subspecies of tundra swan having a soft whistling note ;