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

The meaning of the Acronym ORR is...

ORR is

Yorketown, South Australia, Australia

More Meanings For ORR:

Oxidation- Reduction Reaction
Operational Readiness Review
Operations Requirements Review
Office of Refugee Resettlement
Oriental Rug Review
Yorketown, South Australia, Australia
Osage Railroad

ORR is also in:

Acronym Definition Searched: