Search

Search results

Displaying 111 - 120

adolescence

(Encyclopedia) adolescence, time of life from onset of puberty to full adulthood. The exact period of adolescence, which varies from person to person, falls approximately between the ages 12 and 20…

mechanism

(Encyclopedia) mechanism, philosophical theory about the nature of organic systems, holding that organisms are machines in the sense that they are material systems. Mechanism seeks to explain…

Itasca, Lake

(Encyclopedia) Itasca, LakeItasca, Lakeītăsˈkə [key], shallow lake, 2 sq mi (5.2 sq km), in a pine-wooded swampy region, NW Minn. Henry R. Schoolcraft identified the lake (1832) as the source of the…

Kerschensteiner, Georg Michael

(Encyclopedia) Kerschensteiner, Georg MichaelKerschensteiner, Georg Michaelgēˈôrg mĭshˈal kârˈshan-shtīˌnûr [key], 1854–1932, German educational theorist. Educated in Munich, he taught math in…

Lipscomb, William Nunn, Jr.

(Encyclopedia) Lipscomb, William Nunn, Jr.Lipscomb, William Nunn, Jr.lĭpˈskəm [key], 1919–2011, American physical chemist, b. Cleveland, Ph.D. California Institute of Technology, 1946. A professor of…

Onsager, Lars

(Encyclopedia) Onsager, Lars, 1903–76, American physical chemist, b. Oslo, Ph.D. Yale, 1935. Onsager taught at Brown Univ. from 1928 to 1933 and was on the faculty at Yale from 1933 until his…

occasionalism

(Encyclopedia) occasionalism, metaphysical doctrine that denies that finite things have any active power and asserts that God is the only cause, whereas physical events and mental states are only…

Texas Woman's University

(Encyclopedia) Texas Woman's University, main campus at Denton; state supported; primarily for women; est. 1901. It is the largest state-supported university for women in the country. There are…

frostbite

(Encyclopedia) frostbite (chilblains), injury to the tissue caused by exposure to cold, usually affecting the extremities of the body, such as the hands, feet, ears, or nose. Extreme cold causes the…