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civil defense

(Encyclopedia)civil defense, nonmilitary activities designed to protect civilians and their property from enemy actions in time of war. A civil defense program usually includes measures taken during peace (e.g., bu...

nuclear winter

(Encyclopedia)nuclear winter, theory holding that the smoke and dust produced by a large nuclear war would result in a prolonged period of cold on the earth. The earliest version of the theory, which was put forwar...

Point Four program

(Encyclopedia)Point Four program, U.S. foreign aid project aimed at providing technological skills, knowledge, and equipment to poor nations throughout the world. The program also encouraged the flow of private inv...

hibernation

(Encyclopedia)hibernation hīˌbərnāˈshən [key] [Lat.,= wintering], practice, among certain animals, of spending part of the cold season in a more or less dormant state, apparently as protection from cold when ...

Lippmann, Walter

(Encyclopedia)Lippmann, Walter, 1889–1974, American essayist and editor, b. New York City. He was associate editor of the New Republic in its early days (1914–17), but at the outbreak of World War I he left to ...

sauce

(Encyclopedia)sauce, seasoning or flavoring composition, usually in liquid or semiliquid form, used as an appetizing accompaniment for meat, fish, vegetables, and desserts. Sauces, an important feature of quality c...

fog

(Encyclopedia)fog, aggregation of water droplets or ice crystals immediately above the surface of the earth (i.e., a cloud near the ground). A light or thin fog is usually called a mist. Fog may occur when the mois...

front

(Encyclopedia)CE5 Fronts: A. Advance of a cold front B. Advance of a warm front front, in meteorology, zone of transition between adjacent air masses. If a cold air mass is advancing to replace a warmer one, th...

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