| coeducation | (noun) education of men and women in the same institutions | - |
|---|
| coefficient | (noun) a constant number that serves as a measure of some property or characteristic | - |
|---|
| coelacanth | (noun) fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa | Synonyms: Latimeria chalumnae |
|---|
| coelenterate | (noun) radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms | Synonyms: cnidarian |
|---|
| coelenteron | (noun) the saclike body cavity of a coelenterate | - |
|---|
| coelogyne | (noun) any of various orchids of the genus Coelogyne with: clusters of fragrant lacy snow-white flowers; salmon-pink solitary flowers; chainlike racemes of topaz and chocolate brown flowers; spikes of delicate white spice-scented flowers; emerald green flowers marked with blue-black | - |
|---|
| coelom | (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, celoma |
|---|
| coelophysis | (noun) one of the oldest known dinosaurs; late Triassic; cannibalistic | - |
|---|
| coelostat | (noun) optical device used to follow the path of a celestial body and reflect its light into a telescope; has a movable and a fixed mirror | - |
|---|
| coenobite | (noun) a member of a religious order living in common | Synonyms: cenobite |
|---|
| coenzyme | (noun) a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes | - |
|---|
| coercion | (noun) using force to cause something to occur | Synonyms: compulsion |
|---|
| (noun) the act of compelling by force of authority | - |
| coeval | (noun) a person of nearly the same age as another | Synonyms: contemporary |
|---|
| coevals | (noun) all the people living at the same time or of approximately the same age | Synonyms: contemporaries, generation |
|---|
| coexistence | (noun) existing peacefully together | - |
|---|
| coextension | (noun) equality of extension or duration | - |
|---|