Abbreviations beginning with o

OHAGOral Health Advisory Group (UK)
Miscellaneous

OHAHOAOh Heck Another Hour of Algebra (trigonometry mnemonic: Opposite side/Hypoteneuse = Sine, Adjacent side/Hypoteneuse = Cosine, Opposite side/Adjacent side = Tangent)
Academic & Science

OHAIOklahoma Healthy Aging Initiative
Miscellaneous » Unclassified

OHALOral History of the American Left (New York University)
Miscellaneous

OHALOrkney Housing Association Ltd. (UK)
Miscellaneous

OHAMOffice of HIV and AIDS Malignancy (National Cancer Institute)
Academic & Science

OHAMOral History of American Music
Community » History

OHAMOral History of American Music (Yale University; New Haven, CT)
Miscellaneous

OHAMOrchestre d'Harmonie de l'Alliance Musicale
Miscellaneous

OHAMOrganización Hebrea Argentina MACABI (Jewish Community Center; Buenos Aires, Argentina)
Miscellaneous

OHANOptical Hybrid Access Network
Academic & Science

OHANOak Hill Association of Neighborhoods (Austin, TX)
Miscellaneous

OHANOhio Health Advocacy Network (Columbus, OH)
Miscellaneous

OHANAOptical Hawaiian Array for Nanoradian Astronomy
Academic & Science

OHAOOrthogonalized Hybrid Atomic Orbital
Academic & Science

OHAOOccupational Hygiene Association of Ontario (Canada)
Miscellaneous

OHAPOffice of HIV/AIDS Policy
Community

OHAPOpen Handset Alliance Project (mobile communication)
Community

OHAPOrganic Hazardous Air Pollutant (chemical regulation; various nations)
Community

OHAPOrganization and Human Asset Plan
Governmental

Abbreviations beginning with o

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