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pneumatic tool
(Encyclopedia)pneumatic tool no͝omătˈĭk [key], instrument activated by air pressure. Pneumatic tools are designed around three basic devices: the air cylinder, the vane motor, and the sprayer. The air cylinder ...speech, freedom of
(Encyclopedia)speech, freedom of, liberty to speak and otherwise express oneself and one's opinions. Like freedom of the press (see press, freedom of the), which pertains to the publication of speech, freedom of sp...election
(Encyclopedia)election, choosing a candidate for office in an organization by the vote of those enfranchised to cast a ballot. In the United States, Canada, Mexico, Great Britain, and many other nations, usuall...working dog
(Encyclopedia)working dog, classification used by breeders and kennel clubs to designate dogs raised by humans to herd cattle and sheep, as draft animals, as message dispatchers in wartime, in police and rescue wor...depression, in psychiatry
(Encyclopedia)depression, in psychiatry, a symptom of mood disorder characterized by intense feelings of loss, sadness, hopelessness, failure, and rejection. The two major types of mood disorder are unipolar disord...Lessing, Doris
(Encyclopedia)Lessing, Doris, 1919–2013, British novelist, b. Kermanshah, Persia (now Iran) as Doris May Tayler. Largely self-educated, she was brought up on a farm in Southern Rhodesia (now Zimbabwe), and in 194...etching
(Encyclopedia)etching, the art of engraving with acid on metal; also the print taken from the metal plate so engraved. In hard-ground etching the plate, usually of copper or zinc, is given a thin coating or ground ...blast furnace
(Encyclopedia) CE5 Blast furnace for production of iron blast furnace, structure used chiefly in smelting. The principle involved in this means of extracting metals is that of the reduction of the ores by the ac...beer, alcoholic beverage
(Encyclopedia)beer, alcoholic beverage made by brewing and fermenting cereals, especially malted barley, usually with the addition of hops as a flavoring agent and stabilizer. One of the oldest of alcoholic beverag...Browse by Subject
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