OAD

OAD may refer to:

• Overrunning Alternator Decoupler, separates (decouples) the alternator rotor inertia from the accessory drive belt by use of a steel torsion spring isolator mechanism.
• Object-oriented analysis and design, a software engineering approach.
• On-Air Download, a method of upgrading TV or Set-top box firmware.
• Auditory processing disorder or obscure auditory dysfunction (OAD), an auditory condition.
• The Open Access Directory, founded by Peter Suber and Robin Peek
• "Original Animation DVD", a term used for anime series released first onto DVD, see Original video animation
• oral antidiabetic drugs.
• New Oxford American Dictionary

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