Columbia Encyclopedia

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colon, in punctuation

(Encyclopedia)colon, in writing: see punctuation. ...

(Encyclopedia)columbine kŏlˈəmbīn [key], any plant of the genus Aquilegia, temperate-zone perennials of the family Ranunculaceae (buttercup family), popular both as wildflowers and as garden flowers. Columbines...

coma, in astronomy

(Encyclopedia)coma, in astronomy: see comet.

coma, in medicine

(Encyclopedia)coma, in medicine, deep state of unconsciousness from which a person cannot be aroused even by painful stimuli. The patient cannot speak and does not respond to command. Coma is the result of damage t...

combination, in business

(Encyclopedia)combination, in business: see trust. ...

combinations, in mathematics

(Encyclopedia)combinations, in mathematics: see probability. ...

commerce, in economics

(Encyclopedia)commerce, traffic in goods, usually thought of as trade between states or nations. Engaged in by all peoples from the earliest times, it has been carried on in some areas and by some peoples more than...

Charon, in astronomy

(Encyclopedia)Charon, in astronomy, the natural satellite, or moon, of Pluto. ...

Charon, in mythology

(Encyclopedia)Charon, in Greek mythology: see Hades. ...

chord, in geometry

(Encyclopedia)chord kôrd [key], in geometry, straight line segment both end points of which lie on the circumference of a circle or other curve; it is a segment of a secant. A chord passing through the center of a...