Acronyms, Abbreviations, and Initialisms.
All human edited and we add more daily

The meaning of the Acronym OSO-4 is...

OSO-4 is

  • Orbiting Solar Observatory 4

OSO-4 is also in:

Acronym Definition Searched: SQAF IOP UMWL SF JR GBIP 20165 PMF SNPA ACES WHDF 12020 PL TMIL 13082