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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...

global warming

(Encyclopedia)global warming, the gradual increase of the temperature of the earth's lower atmosphere as a result of the increase in greenhouse gases since the Industrial Revolution. Global warming and its effects,...

coulomb

(Encyclopedia)coulomb ko͞oˈlŏm [key] [for C. A. de Coulomb], abbr. coul or C, unit of electric charge. The absolute coulomb, the current U.S. legal standard, is the amount of charge transferred in 1 second by a ...

Clapham, Sir John Harold

(Encyclopedia)Clapham, Sir John Harold klăpˈəm [key], 1873–1946, English economic historian. He was lecturer, professor and administrator at Cambridge from 1908 to 1943. Outstanding among his many works on Bri...

anthropometry

(Encyclopedia)anthropometry ănthrəpŏmˈətrē [key], technique of measuring the human body in terms of dimensions, proportions, and ratios such as those provided by the cephalic index. Once the standard approach...

Johnson, Allen

(Encyclopedia)Johnson, Allen, 1870–1931, American historian, b. Lowell, Mass. He was professor of history at Iowa (now Grinnell) College (1898–1905), Bowdoin College (1905–10), and Yale (1910–26). He achiev...

Bermuda grass

(Encyclopedia)Bermuda grass, perennial pasture, lawn, and hay grass (Cynodon dactylon) of the family Poaceae (grass family), native to Africa and Asia and now common in warm regions of both hemispheres. It is the s...

Sloan, Alfred Pritchard, Jr.

(Encyclopedia)Sloan, Alfred Pritchard, Jr., 1875–1966, American businessman and philanthropist, b. New Haven, Conn., grad. Massachusetts Institute of Technology, 1895. He began his career as a draftsman for the H...

platform tennis

(Encyclopedia)platform tennis, version of lawn tennis played on an elevated wooden or aluminum court that is one fourth the size of a standard court, usually by doubles teams. Unlike lawn tennis, platform tennis al...

Philaret, Vasily Drosdov

(Encyclopedia)Philaret or Filaret, Vasily Drosdov both: vəsēˈlyē drəsdôfˈ fēlərĕtˈ [key], 1782?–1867, Russian prelate, author, and preacher. He became archbishop of Tver and a member of the holy synod ...

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