from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The ISO 3166-1 two-letter (alpha-2) code for Angola.
- Adults Only
- Anarchy Online
- Autonomous Oblast
- Auxiliary Oiler - a naval oil tanker with the ability to perform underway replenishment of fuel oil or ship oil to ships of the fleet
- Arctic Oscillation
Sorry, no etymologies found.