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Ramelli, Agostino

(Encyclopedia)Ramelli, Agostino ägōstēˈnō rämĕlˈlē [key], c.1531–c.1600, Italian engineer who served in the armies of the marquis de Marignan and of the duc d'Anjou (later Henry III of France). His book,...

tantalum

(Encyclopedia)tantalum tănˈtələm [key] [from Tantalus], metallic chemical element; symbol Ta; at. no. 73; at. wt. 180.94788; m.p. 2,996℃; b.p. 5,400±100℃; sp. gr. 16.65 at 20℃; valence +2, +3, +4, or +5....

radio frequency

(Encyclopedia)radio frequency, range of electromagnetic waves with a frequency or wavelength suitable for communication uses. Some of these waves serve as carriers of the lower-frequency audio waves; others are mod...

Littleton

(Encyclopedia)Littleton, city (1990 pop. 33,685), seat of Arapahoe co., N central Colo.; platted 1812, inc. 1890. It is a suburb south of Denver in an irrigated farm area. Its manufactures include construction mate...

Affton

(Encyclopedia)Affton, uninc. city, St. Louis co., E Mo., a suburb of St. Louis. Manufacturing includes machinery and medical equipment. Settled in the mid-1800s largely by German immigrants, Affton main...

White Bear Lake

(Encyclopedia)White Bear Lake, city (1990 pop. 24,704), Ramsey and Washington counties, SE Minn., on White Bear Lake; inc. 1922. It is a residential and resort suburb of Minneapolis–St. Paul. Chemicals, medical s...

Manitoba, University of

(Encyclopedia)Manitoba, University of, at Winnipeg, Man., Canada; provincially supported, coeducational; chartered 1877. It has faculties of arts and sciences, graduate studies, law, medicine, dentistry, pharmacy, ...

Louisville, University of

(Encyclopedia)Louisville, University of, at Louisville, Ky.; coeducational; founded 1798 as a seminary, became a college and merged in 1837 with the Medical Institute of the City of Louisville (chartered 1833). In ...

Baytown

(Encyclopedia)Baytown, city (2020 pop. 83,701), Harris co., S Tex., at the head of Galveston Bay, on the Houston ship channel; inc. 1948 after the consolidation of Go...

West Saint Paul

(Encyclopedia)West Saint Paul, city (1990 pop. 19,248), Dakota co., SE Minn., a suburb of St. Paul; inc. 1889. Inks, apparel, paper goods, chemicals, and medical supplies are manufactured in the city. ...