Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym OSO-2 is...

OSO-2 is

  • Orbiting Solar Observatory 2

OSO-2 is also in:

Acronym Definition Searched: FROG 41719 WZNX DUS ASCE 71280 KAFO AIDS IDP IPTP NUMA NCS 77058 60082 RAIN