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locomotive
(Encyclopedia)locomotive, vehicle used to pull a train of unpowered railroad cars. Richard Trevithick, a British engineer and inventor, built and operated (1803–4) the first successful steam engine locomotive f...Hals, Frans
(Encyclopedia)Hals, Frans fräns häls [key], c.1580–1666, Dutch painter of portraits and genre scenes, b. Antwerp. Hals spent most of his life in Haarlem, where he studied with Karel van Mander and became (1610)...seasonal affective disorder
(Encyclopedia)seasonal affective disorder (SAD), recurrent fall or winter depression characterized by excessive sleeping, social withdrawal, depression, overeating, and pronounced weight gain. SAD effects an estima...hypostyle
(Encyclopedia)hypostyle hĭpˈəstīl, hīˈpə– [key], the chamber in Egyptian temples in which a number of columns supported a flat stone roof. Forming the chief and largest inner space of the temple, it was en...scene design and stage lighting
(Encyclopedia)scene design and stage lighting, settings and illumination designed for theatrical productions. See also drama, Western; Asian drama; theater; directing; acting. Scene designers in the early 20th ce...liquefied petroleum gas
(Encyclopedia)liquefied petroleum gas or LPG, mixture of gases, chiefly propane and butane, produced commercially from petroleum and stored under pressure to keep it in a liquid state. The boiling point of liquefie...Philoctetes
(Encyclopedia)Philoctetes fĭlŏktēˈtēz [key], in Greek mythology, son of Poias. He acquired, by gift, the bow and arrow of Hercules by lighting the pyre on which the hero was consumed alive. On his way to the T...Dreyer, Carl Theodor
(Encyclopedia)Dreyer, Carl Theodor kärl tāˈōdôrˌ drīˈər [key], 1889–1968, Danish motion picture director. He began making films in Denmark in 1919. His Passion of Joan of Arc (1928), widely regarded as a...electric circuit
(Encyclopedia) CE5 A. Series circuit: Current is the same through each resistance; voltage divides in direct proportion to each resistance. B. Parallel circuit: Voltage drop is the same over each resistance; curr...lightning
(Encyclopedia)lightning, electrical discharge accompanied by thunder, commonly occurring during a thunderstorm. The discharge may take place between one part of a cloud and another part (intracloud), between one cl...Browse by Subject
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