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L.R.

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• Lra

  Law Reports Annotated

• L-radiation

  [el-rey-dee-ey-shuh n] /ˈɛlˌreɪ diˌeɪ ʃən/ noun, Physics. 1. See under . [el-lahyn] /ˈɛlˌlaɪn/ noun, Physics. 1. one of a series of lines (L-series) in the x-ray spectrum of an atom corresponding to radiation (L-radiation) caused by the transition of an electron to the L-shell.

• LRAM

  1. long-range attack missile.

• Lrb

  liquid rocket booster

• LRBM

  1. long-range ballistic missile.

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