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Macri, Mauricio

(Encyclopedia)Macri, Mauricio, 1959–, Argentinian political leader. After graduating from the Catholic Univ. of Argentina, he was active in his family's businesses in the 1980s and 90s before becoming president o...

bushido

(Encyclopedia)bushido bo͝oshˈĭdō, bo͞oˈshĭdō [key] [Jap.,=way of the warrior], code of honor and conduct of the Japanese nobility. Of ancient origin, it grew out of the old feudal bond that required unwaver...

Maclaine, Shirley

(Encyclopedia) Maclaine, Shirley, 1934- , American actress and author, b. Richmond, Va., as Shirley MacLean Beaty. Maclaine’s father held various jobs in education...

hydrocarbon

(Encyclopedia)hydrocarbon hīˌdrōkärˈbən [key], any organic compound composed solely of the elements hydrogen and carbon. The hydrocarbons differ both in the total number of carbon and hydrogen atoms in their ...

polymer

(Encyclopedia)CE5 A. Addition polymerization: Two ethylene molecules, C2H4, combine to form two links in the polyethylene chain molecule (C2H4)n. B. Condensation polymerization: Two glycine molecules, NH2CH2COOH...

ethylene

(Encyclopedia)ethylene ĕthˈēn [key], H2C=CH2, a gaseous unsaturated hydrocarbon. It is the simplest alkene. Ethylene is colorless, has a faint odor, and has a slightly sweet taste; it melts at −169.4℃ and bo...

national bank

(Encyclopedia)national bank, in the United States, financial institution of a class authorized by Congress in acts of 1863 and 1864. The acts were intended to provide a way of marketing the large bond issues made n...

keratin

(Encyclopedia)keratin kĕrˈətĭn [key], any one of a class of fibrous protein molecules that serve as structural units for various living tissues. The keratins are the major protein components of hair, wool, nail...

free port

(Encyclopedia)free port, port, or section of a port, exempt from customs regulations (see tariff). Goods may be landed at a free port for storage and handling, and they may even be processed into manufactured goods...

Julia

(Encyclopedia)Julia, feminine name in the Julian gens. 1 Died 54 b.c., daughter of Julius Caesar and wife of Pompey. By her grace and tact she maintained the bond between her father and her husband. After her death...