Columbia Encyclopedia

(Encyclopedia) oxide, chemical compound containing oxygen and one other chemical element. Oxides are widely and abundantly distributed in nature. Water is the oxide of hydrogen. Silicon dioxide is the major componen...

(Encyclopedia) cosmetics, preparations externally applied to change or enhance the beauty of skin, hair, nails, lips, and eyes. The use of body paint for ornamental and religious purposes has been common among primi...

(Encyclopedia) Grodon, Charles Sidney, 1935-2021, American film actor, writer, and director, b. Pittsburgh, Pa. Grodon briefly attended the Univ. of Miami and then be...

(Encyclopedia) arsenopyrite mĭsˈpĭkəl [key], silver-white to steel-gray mineral with the metallic luster characteristic of a pyrite. It is a sulfarsenide of iron, FeAsS, crystallizing in the orthorhombic system ...

(Encyclopedia) Murcia, city (1990 pop. 322,911), capital of the autonomous community and coextensive prov. of Murcia, SE Spain, on the Segura River. The city lies in one of the finest irrigated garden regions in Spa...

(Encyclopedia) Occupational Safety and Health Administration (OSHA), U.S. agency established (1970) in the Dept. of Labor (see Labor, United States Department of) to develop and enforce regulations for the safety an...

(Encyclopedia) Nogales nōgäˈlās [key], city (1990 pop. 19,489), Santa Cruz co., S Ariz. on the Mexican border with its adjacent city, Nogales (1990 pop. 105,873), Sonora, NW Mexico. There are copper, silver, and...

(Encyclopedia) Dumdum dŭmˈdəm [key], four towns in Suburban Kolkata (Calcutta), West Bengal state, E cent...

(Encyclopedia) Campbell, Robert, 1804–79, American fur trader and merchant, one of the mountain men, b. Ireland. He came to the United States c.1824. Having been advised to lead an outdoor life because of a lung a...

(Encyclopedia) Akita äˈkētä [key], city, capital of Akita prefecture, NW Honshu, Japan, on the Sea of Japan. A producer of petroleum products and chemicals, Akito city also has a lar...