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Irst

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• Irtf

  Internet Research Task Force

• Irtysh

  [ir-tish] /ɪrˈtɪʃ/ noun 1. a river in central Asia, flowing NW from the Altai Mountains in China through NE Kazakhstan and the Russian Federation to the Ob River. About 1840 miles (2960 km) long. /ɪəˈtɪʃ/ noun 1. a river in central Asia, rising in China in the Altai Mountains and flowing west through Kazakhstan, then […]

• Iru

  inertial reference unit

• Irus

  Irvine Research Unit in Software

• Irv

  IRV abbr. inspiratory reserve volume 1. inspiratory reserve volume 2. interrange vector

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