Oad or OAD may refer to:
== Science and technology == Auditory processing disorder or obscure auditory dysfunction (OAD), an auditory condition Object-oriented analysis and design, a software engineering approach Office of Astronomy for Development, an office of the International Astronomical Union Open Access Directory, founded by Peter Suber and Robin Peek Original Acquisition Disk, in digital forensics
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).