OA

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See also: oa, .o'a, oa', óa, ōa, o.a., and o. Ä.

English[edit]

Initialism[edit]

OA

  1. On or About
  2. Open Access
  3. Organizing Authority (alterante spelling: Organising Authority)

Anagrams[edit]


Spanish[edit]

Abbreviation[edit]

OA

  1. Oaxaca (Mexican state)