Columbia Encyclopedia

Search results

500 results found

microwave oven

(Encyclopedia)microwave oven, device that uses microwaves to rapidly cook food. The microwaves cause water molecules in the food to vibrate, producing heat, which is distributed through the food by induction. A spe...

Midas

(Encyclopedia)Midas mīˈdəs [key], in Greek mythology, king of Phrygia. Because he befriended Silenus, the oldest of the satyrs, Dionysus granted him the power to turn everything into gold by touch. But when even...

Muscle Shoals

(Encyclopedia)Muscle Shoals, town (1990 pop. 9,611), Colbert co., NW Ala., on the Tennessee River opposite Florence; inc. 1923. Chemicals, truck trailers, and nuts, screws, and bolts are manufactured. The river for...

Muhammad Zahir Shah

(Encyclopedia)Muhammad Zahir Shah zäˈhĕr shä [key], 1914–2007, last king of Afghanistan. In 1933 he became king after his father, Muhammad Nadir Shah, was assassinated. During his reign power was exercised ma...

mass-luminosity relation

(Encyclopedia)mass-luminosity relation, in astronomy, law stating that the luminosity of a star is proportional to some power of the mass of the star. More massive stars are in general more luminous. For stars on t...

Biya, Paul

(Encyclopedia)Biya, Paul bēyĕ [key], 1933–, Cameroonian political leader. Educated in Cameroon and France, where he studied at the Sorbonne and other institutions, he joined Cameroon's civil service in 1962. Af...

actinometer

(Encyclopedia)actinometer ăkˌtənŏmˈətər [key], instrument used to measure the heating power of radiation. Actinometers are used chiefly in meteorology to measure solar radiation as transmitted directly by th...

Somoza Debayle, Anastasio

(Encyclopedia)Somoza Debayle, Anastasio änästäsˈyō sōmōˈsä ᵺābīˈlā [key], 1925–80, president of Nicaragua (1967–72, 1974—79). The younger son of dictator Anastasio Somoza, he was educated in th...

Medad

(Encyclopedia)Medad mēˈdăd [key], in the Bible, one who, with Eldad, received the prophetic power of Moses. ...

Little Red River

(Encyclopedia)Little Red River, 105 mi (169 km) long, rising in the Boston Mts., NW Ark., and flowing SE to the White River. Greers Dam and reservoir (completed 1964) provide flood control and hydroelectric power. ...