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pyranometer

(Encyclopedia)pyranometer pĭrˌənŏmˈətər [key], actinometer used to measure the total radiation incident on a surface. ...

Yonkers

(Encyclopedia)Yonkers yŏnˈkərz [key], city (1990 pop. 188,082), Westchester co., SE N.Y., on the east bank of the Hudson, in a hilly region just N of the Bronx (New York City); inc. 1855. Manufactures include ch...

Einthoven, Willem

(Encyclopedia)Einthoven, Willem vĭlˈəm īntˈhōvən [key], 1860–1927, Dutch physiologist, b. Java, M.D. Univ. of Utrecht, 1885. He was professor at the Univ. of Leiden from 1886. To measure the electric curre...

galvanometer

(Encyclopedia)CE5 Galvanometer galvanometer gălˌvənŏmˈətər [key], instrument used to determine the presence, direction, and strength of an electric current in a conductor. All galvanometers are based upo...

hexameter

(Encyclopedia)hexameter hĕksămˈətər [key] [Gr.,=measure of six], in prosody, a line to be scanned in six feet (see versification). The most celebrated hexameter measure is dactylic, which was the meter for mos...

module

(Encyclopedia)module. 1 Term derived from the Latin modulus, a unit of measure in classical architecture equal to half the diameter of a column at its base. This unit was used in proportioning the classical orders ...

Fairfax of Cameron, Thomas Fairfax, 6th Baron

(Encyclopedia)Fairfax of Cameron, Thomas Fairfax, 6th Baron, 1693–1781, proprietor of the Northern Neck of Virginia, b. England. He inherited the Northern Neck, comprising the land between the Rappahannock and Po...

Highlands

(Encyclopedia)Highlands, mountain region in the northern extremity of Scotland. It consists roughly of the Scottish area north of the imaginary line from Dumbarton to Stonehaven excluding the Orkneys, the Shetlands...

Louis IX, king of France

(Encyclopedia)Louis IX or Saint Louis, 1214–70, king of France (1226–70), son and successor of Louis VIII. His mother, Blanche of Castile, was regent during his minority (1226–34), and her regency probably la...

stress test

(Encyclopedia)stress test or exercise electrocardiography, in medicine, a test that evaluates the performance of the heart by subjecting it to controlled amounts of physical stress. Such tests, which include walkin...