OA

1 of 2

abbreviation (1)

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

o/a

2 of 2

abbreviation (2)

on or about

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O'odham

OA

o/a

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Cite this Entry

“OA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/OA. Accessed 21 Nov. 2024.

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Medical Definition

OA

abbreviation
osteoarthritis
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