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canonization
(Encyclopedia) canonizationcanonizationkănˌənĭzāˈshən [key], in the Roman Catholic Church, process by which a person is classified as a saint. It is now performed at Rome alone, although in the…glycolysis
(Encyclopedia) glycolysisglycolysisglīkŏlˈĭsĭs [key], term given to the metabolic pathway utilized by most microorganisms (yeast and bacteria) and by all “higher” animals (including humans) for the…Hartmann, Eduard von
(Encyclopedia) Hartmann, Eduard vonHartmann, Eduard vonāˈd&oomacr;ärt fən härtˈmän [key], 1842–1906, German philosopher. His Philosophy of the Unconscious appeared in 1869 (tr., 3 vol., 1884; new…mezzotint
(Encyclopedia) mezzotintmezzotintmĕtˈsətĭnt, mĕdˈzə–, mĕzˈə– [key] [Ital.,=halftint], method of copper or steel engraving in tone. A Dutch officer, Ludwig von Siegen, is given credit for the…Mülheim an der Ruhr
(Encyclopedia) Mülheim an der RuhrMülheim an der Ruhrmülˈhīm än dĕr r&oomacr;r [key] or Mülheim, city (1994 pop. 177,175), North Rhine–Westphalia, W Germany, on the Ruhr River. It is an…Niépce, Joseph Nicéphore
(Encyclopedia) Niépce, Joseph NicéphoreNiépce, Joseph Nicéphorezhôzĕfˈ nēsāfôrˈ nyĕps [key], 1765–1833, French chemist who originated a process of photography (see photography, still). In 1826 he…thermography
(Encyclopedia) thermographythermographythûrˌmŏgˈrəfē [key], contact photocopying process that produces a direct positive image and in which infrared rays are used to expose the copy paper. In a…Siemens, Sir William
(Encyclopedia) Siemens, Sir William, 1823–83, English electrical engineer, b. Germany; brother of Ernst Werner von Siemens. Originally his name was Carl Wilhelm Siemens. After visiting England to…engraving
(Encyclopedia) engraving, in its broadest sense, the art of cutting lines in metal, wood, or other material either for decoration or for reproduction through printing. In its narrowest sense, it is…aging
(Encyclopedia) aging, in biology, cumulative changes in an organism, organ, tissue, or cell leading to a decrease in functional capacity. In humans, aging is associated with degenerative changes in…Trending
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