Speech Abbreviations and Acronyms
- OIOral Interpretatioc
- OIOratorical Interpretation
- OLSELOral Language Supporting Early Literacy
- OMDOrofacialamyofunctional Disorders
- OMDOrofacial Myofunctional Disorder
- OMDSOrofacial Myofunctional Disorders
- OMNIEOhio Masters Network Initiativesiin Education
- OOGOut of Grammar
- OOVOut of Vocabulary
- OPPOriginal Prose and Poetry
- ORLAOral Reading for Language In Aphasia
- OWLObserve Wait Listen
- PAFMECAPan-African Freedom Movement of East and Central Africa
- PALPhonological Awareness for Literacy
- PALPAPsycholinguistic Assessment of Language Processing In Aphasia
- PCCPercentage Consonants Correct
- PCCPercentage of Consonants Correct
- PCCPercent Consonants Correct
- PCTIPersonal Computer Telephone Interface
- PEMRAPakistan Electronic Media Regulator Authority
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