O2

Definition from Wiktionary, the free dictionary
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See also: o2 and O₂

Translingual[edit]

Symbol[edit]

O2

  1. Alternative form of O₂

English[edit]

Symbol[edit]

O2

  1. (medicine) Both eyes.

Proper noun[edit]

O2

  1. A large entertainment district in Greenwich, London
  2. The arena and concert venue at the center of said district