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division of labor

(Encyclopedia) division of labor, in economics, the specialization of the functions and roles involved in production. Division of labor is closely tied with the standardization of production, the…

breast implant

(Encyclopedia) breast implant, saline- or silicone-filled prosthesis used after mastectomy as a part of the breast reconstruction process or used cosmetically to augment small breasts. An implant…

botulism

(Encyclopedia) botulismbotulismbŏchˈəlĭzˌəm [key], acute poisoning resulting from ingestion of food containing toxins produced by the bacillus Clostridium botulinum. The bacterium can grow only in an…

vulcanization

(Encyclopedia) vulcanizationvulcanizationvŭlˌkənəzāˈshən [key], treatment of rubber to give it certain qualities, e.g., strength, elasticity, and resistance to solvents, and to render it impervious…

urea

(Encyclopedia) CE5 ureaureay&oobreve;ēˈə [key], organic compound that is the principal end product of nitrogen metabolism in most mammals. Urea was the first animal metabolite to be isolated…

Work Projects Administration

(Encyclopedia) Work Projects Administration (WPA), former U.S. government agency, established in 1935 by executive order of President Franklin Delano Roosevelt as the Works Progress Administration;…

thermoelectricity

(Encyclopedia) thermoelectricity, direct conversion of heat into electric energy, or vice versa. The term is generally restricted to the irreversible conversion of electricity into heat described by…

toxic waste

(Encyclopedia) toxic waste is waste material, often in chemical form, that can cause death or injury to living creatures. It usually is the product of industry or commerce, but comes also from…

Belfast

(Encyclopedia) Belfast Belfast bĕlfăstˈ [key], Gaelic Béal Feirste, city (2021 est. pop. 635,…

polonium

(Encyclopedia) poloniumpoloniumpəlōˈnēəm [key], radioactive chemical element; symbol Po; at. no. 84; mass no. of most stable isotope 209; m.p. 254℃; b.p. 962℃; sp. gr. about 9.4; valence +2 or +4.…