Browse Abbreviations Starting with O

List of acronyms, initialisms, and meanings beginning with the letter O.

OCTB OSCOLA ODTD OTDE OTDC OBC OBTL OFSAA OPAA OTAS OUZ OCCP OCTL OSFS ODF OLW OBN OLAW OAA OMS ORTHO OPZONE OLR OESD OTD OPU OHSAS ONH OPTN OZNOE OLEP OLC OSHM ODCS OAUS OICS
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