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isotope

(Encyclopedia)CE5 Isotopes of hydrogen isotope īˈsətōp [key], in chemistry and physics, one of two or more atoms having the same atomic number but differing in atomic weight and mass number. The concept of ...

Henze, Hans Werner

(Encyclopedia)Henze, Hans Werner häns vĕrˈnər hĕnˈtsə [key], 1926–2012, German composer, b. Gütersloh. Henze was a pupil of Wolfgang Fortner and René Leibowitz. His early works were influenced by Stravin...

Mackenzie, William Lyon

(Encyclopedia)Mackenzie, William Lyon, 1795–1861, Canadian journalist and insurgent leader, b. Scotland; grandfather of William Lyon Mackenzie King. Emigrating to Upper Canada in 1820, he published (1824–34), f...

ultrasonics

(Encyclopedia)ultrasonics, study and application of the energy of sound waves vibrating at frequencies greater than 20,000 cycles per second, i.e., beyond the range of human hearing. The application of sound energy...

Baring

(Encyclopedia)Baring bârˈĭng [key], British family of bankers. Sir Francis Baring (1740–1810) founded (1763) the John and Francis Baring Company, which he renamed Baring Brothers and Company in 1806. At first ...

central bank

(Encyclopedia)central bank, financial institution designed to regulate and control the money supply of a nation, with the goal of fostering economic growth without inflation. Although central banking systems have v...

periodic table

(Encyclopedia)CE5 periodic table, chart of the elements arranged according to the periodic law discovered by Dmitri I. Mendeleev and revised by Henry G. J. Moseley. In the periodic table the elements are arrange...

East Chicago

(Encyclopedia)East Chicago, city (2020 pop. 26,370), Lake co., extreme NW Ind., on Lake Michigan, in the industrialized Calumet region, ad...

antihistamine

(Encyclopedia)antihistamine ănˌtĭhĭsˈtəmēn [key], any one of a group of compounds having various chemical structures and characterized by the ability to antagonize the effects of histamine. Their principal u...

Anniston

(Encyclopedia)Anniston ănˈĭstən [key], city, seat of Calhoun co., NE Ala., in a mining region of the Appalachian foothills; inc. 1873. Its manufactures include soil pipes, textiles,...