Browse Abbreviations Starting with O

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

OCEW OEHS OHD ORPI OEAU OSMI ODB OACC ORP ONSTRN OMT OSME OOMM OICD OSTA OSV OMSI ODD OGA ORNT OET OBPLC ODVI OTPM OGW ODC OPSA OJD OBT OLEM OICK ORNL OECI O/E OBA OA
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