a method of hydrogenation formerly used with coal to produce an oil similar to petroleum.
- Bergman, ingmar
- Bergmann’s rule
bergmann’s rule Bergmann’s rule (bûrg’mənz) The principle holding that in a warm-blooded animal species having distinct geographic populations, the body size of animals living in cold climates tends to be larger than in animals of the same species living in warm climates. Animals with larger bodies are generally more massive and thus produce more body […]
a crevasse, or series of crevasses, at the upper end of a mountain glacier. Historical Examples Hours of Exercise in the Alps John Tyndall Outlines of the Earth’s History Nathaniel Southgate Shaler The Rocky Mountain Wonderland Enos A. Mills The Life of Sir James Fitzjames Stephen, Bart., K.C.S.I. Sir Leslie Stephen Adventures on the Roof […]
William, 1921–1994, U.S. composer.