|
|
| abbr. |
old-age assistance; Open Arcade Architecture (Intel); Opticians Association of America |
| abbr., astronaut. |
orbiter access arm (olatunji) |
| abbr., avia. |
Orient Airlines Association |
| abbr., biochem. |
oxaloacetic acid (relaska) |
| abbr., busin. |
one after another |
| abbr., chem. |
oxalaoacetate |
| abbr., ed., scient. |
Office of Academic Affairs |
| abbr., IT |
Open Agent Architecture; open applications architecture |
| abbr., med. |
Obstetric Anaesthetists Association; Old Age Assistance; Older Americans Act; Opticians Association Of America; Oxaloacetic Acid; oxalacetic acid |
| abbr., mil., avia. |
Office of Aviation Affairs |
| abbr., optometr. |
Optometrists Association Australia |
| abbr., space |
orbiter alternate airfield |
| abbr., sport. |
Ontario Association Of Archers; Oceania Athletic Association |
| abbr., telecom. |
open application architecture |
| abbr., tradem. |
Ogden, Allen, and Associates |
| tech. |
optical acquisition aid |
