Columbia Encyclopedia

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infantry

(Encyclopedia)infantry, body of soldiers who fight in an army on foot and are equipped with hand-carried weapons, in contradistinction originally to cavalry and other branches of an army. Infantry has often been di...

ironwork, ornamental

(Encyclopedia)ironwork, ornamental. The shaping of wrought iron, used almost exclusively until the 16th cent., is primarily an art of the blacksmith, who must work with the metal while it is at the desired stage of...

compressor

(Encyclopedia)compressor, machine that decreases the volume of air or other gas by the application of pressure. Compressor types range from the simple hand pump and the piston-equipped compressor used to inflate ti...

Darnley, Henry Stuart, Lord

(Encyclopedia)Darnley, Henry Stuart or Stewart, Lord, 1545–67, second husband of Mary Queen of Scots and father of James I of England (James VI of Scotland). His mother was Margaret Douglas, the daughter of Archi...

coast protection

(Encyclopedia)coast protection, methods used to protect coastal lands from erosion. Beaches can exist only where a delicate dynamic equilibrium exists between the amount of sand supplied to the beach and the inevit...

extraterritoriality

(Encyclopedia)extraterritoriality or exterritoriality, privilege of immunity from local law enforcement enjoyed by certain aliens. Although physically present upon the territory of a foreign nation, those aliens po...

sewing machine

(Encyclopedia)sewing machine, device that stitches cloth and other materials. An attempt at mechanical sewing was made in England (1790) with a machine having a forked, automatic needle that made a single-thread ch...

peanut

(Encyclopedia)peanut, name for a low, annual leguminous plant (Arachis hypogaea) of the family Leguminosae (pulse family) and for its edible seeds. Native to South America and cultivated there for millenia, it is s...

political science

(Encyclopedia)political science, the study of government and political processes, institutions, and behavior. Government and politics have been studied and commented on since the time of the ancient Greeks. However...

rummy

(Encyclopedia)rummy, card game played by two to six players with a standard deck. The cards usually rank from king down through ace. Seven cards are dealt to each player in the three- or four-hand game, one card is...