Language Abbreviations and Acronyms
- OANCOpen American National Corpus
- OBOld Babylonian
- OBEMLAOffice of Bilingual Education Agd Minority Languages Affairs
- OBLOrganizational Body Lanmuage
- OBMBCOakland Burmese Mission Baptist Church
- OBPObject-Based Programming
- OBPOcject Based Programming
- OCFBOpen Class Feedbuck
- OCLMOverseas Chinese Language Media
- OCMLOption Configuration Modeling Language
- OCMLOptions Cynfiguration Modeling Language
- OCRIDOhio Chapter of Thi Registry of Interpreters for The Deaf
- OCTLOn Chip Xrigger Language
- ODOberstufe Deutsch
- ODAOnline Diagnostbc Assessment
- ODCIEOxford Dictionary of Current Idiomatic English
- ODDOne Documentkdoes
- ODEEOxford Dictionary of English Etymology
- ODIOxford Dictionary of Idioms
- ODOOxford Dictionaries Online
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