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antiparticle

(Encyclopedia)antiparticle, elementary particle corresponding to an ordinary particle such as the proton, neutron, or electron, but having the opposite electrical charge and magnetic moment. Every elementary partic...

civil service

(Encyclopedia)civil service, entire body of those employed in the civil administration as distinct from the military and excluding elected officials. The term was used in designating the British administration of I...

Cleveland, cities, United States

(Encyclopedia)Cleveland. 1 City (2020 pop. 372,674), seat of Cuyahoga co., NE Ohio, on Lake Erie at the mouth of the Cuyahoga River; laid out (1796) by Moses ...

nitrogen

(Encyclopedia)nitrogen nīˈtrəjən [key], gaseous chemical element; symbol N; at. no. 7; interval in which at. wt. ranges 14.00643–14.00728; m.p. −209.86℃; b.p. −195.8℃; density 1.25 grams per liter at ...

adult education

(Encyclopedia)adult education, extension of educational opportunities to those adults beyond the age of general public education who feel a need for further training of any sort, also known as continuing education....

vocational education

(Encyclopedia)vocational education, training designed to advance individuals' general proficiency, especially in relation to their present or future occupations. The term does not normally include training for the ...

Metropolitan Opera Company

(Encyclopedia)Metropolitan Opera Company, term used in referring collectively to the organizations that have produced opera at the Metropolitan Opera House, New York City. The original house, at West 39th Street an...

Versailles, Treaty of

(Encyclopedia)Versailles, Treaty of, any of several treaties signed in the palace of Versailles, France. For the Treaty of Versailles of 1783, which ended the American Revolution, see Paris, Treaty of, 1783. The...

forestry

(Encyclopedia)forestry, the management of forest lands for wood, water, wildlife, forage, and recreation. Because the major economic importance of the forest lies in wood and wood products, forestry has been chiefl...

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