(Encyclopedia) vermilion, vivid red pigment of durable quality. It is a chemical compound of mercury and sulfur and is known as red sulfide of mercury; it was formerly obtained by grinding pure…
(Encyclopedia) plumbing, piping systems inside buildings for water supply and sewage. The Romans had a highly developed plumbing system; water was brought to Rome by aqueducts and distributed to…
From the Spotlight Archive: This feature appeared in March 1998 NCAA Final Four Results Quiz Answers Correct answers are in bold text. 1. Who is the last player to win the Wooden award and the…
(Encyclopedia) ass, hoofed, herbivorous mammal of the genus Equus, closely related to the horse. It is distinguished from the horse by its small size, large head, long ears, and small hooves. There…
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Lead storage cell: At the lead-dioxide electrode, electrons from the circuit combine with lead dioxide and sulfuric acid to form lead sulfate and water. At the spongy-lead…
(Encyclopedia) polecat, carnivorous mammal of the weasel family. The name refers especially to the common Old World polecat, Mustela putorius, found in wooded areas of N Eurasia and N Africa. Similar…
