Definition of OA

 (Entry 1 of 2)

osteoarthritis OA … usually occurs after age 45 and involves "wear and tear" on the joints.— Andrew Weil

Definition of o/a (Entry 2 of 2)

on or about

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Cite this Entry

“OA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/OA. Accessed 10 Jul. 2020.

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Medical Definition of OA

osteoarthritis

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