Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym O2 is...

O2 is

  • Oxygen

More Meanings For O2:

  • Optimistic Orators Toastmasters Club
  • Oxygen
  • Object Oriented
  • Oxygen

O2 is also in:

Acronym Definition Searched: LSCD TFO 72860 UBOA 68812 NFDC 25015 SONET 99585 PA MFD 29813 ASACP FAM ACB