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calorie

(Encyclopedia)calorie, abbr. cal, unit of heat energy in the metric system. The measurement of heat is called calorimetry. The calorie, or gram calorie, is the quantity of heat required to raise the temperature of ...

heat capacity

(Encyclopedia)heat capacity or thermal capacity, ratio of the change in heat energy of a unit mass of a substance to the change in temperature of the substance; like its melting point or boiling point, the heat cap...

Madden, John Earl

(Encyclopedia)Madden, John Earl, 1936-2021, American football coach and broadcaster, b. Austin, Mn., Cal. Polytechic, San Luis Obispo (B.S., 1959; M.S., 1961). Madden...

specific heat

(Encyclopedia)specific heat, ratio of the heat capacity of a substance to the heat capacity of a reference substance, usually water. Heat capacity is the amount of heat needed to change the temperature of a unit ma...

Downing, Andrew Jackson

(Encyclopedia)Downing, Andrew Jackson, 1815–52, American horticulturist, rural architect, and landscape gardener, b. Newburgh, N.Y. With his brother Charles Downing, 1802–85, he took over the operation of the n...

King, Coretta Scott

(Encyclopedia)King, Coretta Scott, 1927–2006, American civil-rights leader, b. Heiberger, Ala.; the wife (1953–68) of Martin Luther King, Jr. After her husband's assassination, she carried on his civil-rights w...

Central Park

(Encyclopedia)Central Park, 840 acres (340 hectares), the largest park in Manhattan, New York City; bordered by 59th St. on the south, Fifth Ave. on the east, 110th St. on the north, and Central Park West on the we...

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