Operations Research Society of America
[awr-seyl, -sey, -sel] /ɔrˈseɪl, -ˈseɪ, -ˈsɛl/ noun 1. .
[awr-shuh] /ˈɔr ʃə/ noun 1. a city in NE Byelorussia (Belarus), on the Dnieper River, NE of Minsk.
/Italian orˈsiːni/ noun 1. an Italian aristocratic family that was prominent in Rome from the 12th to the 18th century
[awrsk] /ɔrsk/ noun 1. a city in the S Russian Federation in Europe, on the Ural River. /Russian ɔrsk/ noun 1. a city in W Russia, on the Ural River: a major railway and industrial centre, with an oil refinery linked by pipeline with the Emba field (on the Caspian). Pop: 247 000 (2005 est)