O2: Officer grade: Lieutenant Junior Grade or 1st Lieutenant
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Others
Language: English
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What is the full form of O2?
O2 stands for Officer grade: Lieutenant Junior Grade or 1st Lieutenant. Fullformexpand.com has 2 other full forms for abbreviation O2.
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"O2." Fullformexpand.com, https://www.fullformexpand.com/o2/688395. Accessed 19 Nov. 2025.
Fullformexpand.com, 2025. "O2." Accessed November 19, 2025. https://www.fullformexpand.com/o2/688395.
"O2." (n.d.). Fullformexpand.com. Retrieved November 19, 2025, from https://www.fullformexpand.com/o2/688395.
O2. (2025). Fullformexpand.com. Available at: https://www.fullformexpand.com/o2/688395 (Accessed: 19 November 2025).
Found 2 other full forms for O2 →
| Term | Full Form | Category |
|---|---|---|
| O2 | Object Oriented
| Others |
| O2 | Optimistic Orators Toastmasters Club
| Others |
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