Columbia Encyclopedia

(Encyclopedia)  CE5 Electrical and radio symbols electricity, class of phenomena arising from the existence of charge. The basic unit of charge is that on the proton or electron—the proton's charge is designate...

(Encyclopedia) Washington, George, 1732–99, 1st President of the United States (1789–97), commander in chief of the Continental army in the American Revolution, called the Father of His Country. The Univ. of V...

(Encyclopedia) American art, the art of the North American colonies and of the United States. There are separate articles on American architecture, North American Native art, pre-Columbian art and architecture, Mexi...