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agranulocytosis

(Encyclopedia) agranulocytosisagranulocytosisəgrănˌyəlōsītōˈsis [key], disease in which the production of granulated white blood cells by the bone marrow is impaired. Although the disease may occur…

expatriation

(Encyclopedia) expatriation, loss of nationality. Such loss is usually, although not necessarily, voluntary. Generally it applies to those persons who have renounced nationality and citizenship in…

eyeglasses

(Encyclopedia) eyeglasses or spectacles, instrument or device for aiding and correcting defective sight. Eyeglasses usually consist of a pair of lenses mounted in a frame to hold them in position…

pressure-treated wood

(Encyclopedia) pressure-treated wood, wood that has had a liquid preservative forced into it in order to protect against deterioration due to rot or insect attack. The most commonly used…

Homestead strike

(Encyclopedia) Homestead strike, in U.S. history, a bitterly fought labor dispute. On June 29, 1892, workers belonging to the Amalgamated Association of Iron and Steel Workers struck the Carnegie…

Orel

(Encyclopedia) OrelOreləryôlˈ [key], city (1990 pop. 337,000), capital of Orel region, central European Russia, on the Oka River. It is a large railroad junction, an agricultural trade center, and an…

Murray, James

(Encyclopedia) Murray, James, 1721?–94, British general, first civil governor of Canada, b. Scotland. He went to Canada as an army officer in 1757 and was prominent at the siege of Louisburg (1758)…

Menchú, Rigoberta

(Encyclopedia) Menchú, RigobertaMenchú, Rigobertarēˌgōbĕrˈtä mĕnch&oomacr;ˈ [key], 1959–, Guatemalan social reformer. Of Mayan descent, she and her family were caught in Guatemala's bloody civil…

disinfectant

(Encyclopedia) disinfectant, agent that destroys disease-causing microorganisms and their spores. Disinfectants, or germicides, are sometimes considered to be substances applied to inanimate bodies,…

breakwater

(Encyclopedia) breakwater, offshore structure to protect a harbor from wave energy or deflect currents. When it also serves as a pier, it is called a quay; when covered by a roadway it is called a…