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Chittenden, Thomas
(Encyclopedia)Chittenden, Thomas chĭtˈəndən [key], 1730–97, governor of Vermont, b. East Guilford, Conn. After moving to Vermont in 1774, he was active in the Windsor Convention, which declared (1777) Vermont...ultraviolet radiation
(Encyclopedia)ultraviolet radiation, invisible electromagnetic radiation between visible violet light and X rays; it ranges in wavelength from about 400 to 4 nanometers and in frequency from about 1015 to 1017 hert...actinometer
(Encyclopedia)actinometer ăkˌtənŏmˈətər [key], instrument used to measure the heating power of radiation. Actinometers are used chiefly in meteorology to measure solar radiation as transmitted directly by th...Allen Park
(Encyclopedia)Allen Park, city (2020 pop. 26,636), Wayne co., SE Mich., a suburb of Detroit; inc. as a city 1957. Its manufactures include motor vehicle and marine prototypes, liquor, and sheet metal. T...Allen, Lough
(Encyclopedia)Allen, Lough lŏkh, lŏk [key], lake, 8 mi (12.9 km) long and 3 mi (4.8 km) wide, Co. Leitrim and Co. Roscommon, N Republic of Ireland. The upper Shannon River flows through the lake. ...radiation weapon
(Encyclopedia)radiation weapon or radiological weapon, a bomb or warhead that uses conventional chemical explosives to disperse radioactive material, sometimes called a “dirty bomb.” Designed to produce radiati...bolometer
(Encyclopedia)bolometer bōlŏmˈətər, bə– [key], instrument for detecting and measuring radiation, e.g., visible light, infrared radiation, and ultraviolet radiation, in amounts as small as one millionth of a...Green Mountain Boys
(Encyclopedia)Green Mountain Boys, popular name of armed bands formed (c.1770) under the auspices of Ethan Allen in the Green Mountains of what is today Vermont. Their purpose was to prevent the New Hampshire Grant...wampum
(Encyclopedia)wampum wämˈpəm [key] [New England Algonquian,=white string of beads], beads or disks made by Native Americans from the shells of mollusks found on the eastern coast or along the larger rivers of No...infrared radiation
(Encyclopedia)infrared radiation, electromagnetic radiation having a wavelength in the range from c.75 × 10−6 cm to c.100,000 × 10−6 cm (0.000075–0.1 cm). Infrared rays thus occupy that part of the electrom...Browse by Subject
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