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What does O/A stand for?

showing only Science & Medicine definitions (Show all)

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Rank Abbr.Meaning
OAOn Air (TV, radio)
OAOsteoarthritis
OAOcean Acidification (marine pollution problem)
OAOveractive
OAOral Administration (medicine and educational testing)
OAOutside Air
O/AOutside Air
OAOutput Axis
OAOccupational Asthma
OAocular albinism
OAOffice of AIDS (California)
OAOptical Amplifier
OAOcciput Anterior (fetal position)
OAOrthogonal Array
OAOctopamine (biogenic amine)
OAOptic Axis
OAOsmotic Adjustment
OAOrthogonal Acceleration (mass spectrometry)
OAOperating Agent
OAOver Aged
OAOperations Agreement (NASA)
OAOld Aspen
OAOversight & Performance Assurance
OAOptoacoustics
OAOptical Augmentation
OAOperations Astronomer
OAOrbit Area
OAOrbital Analyst
OAOperability Analysis
OAOvarian Atresia
OAOrbiter Ancillary
OAOcclusal Amalgam (dentistry)
OAOverton Arm
OAOrbital/Orbiter Assembly

showing only Science & Medicine definitions (show all 109 definitions)

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