| Output | |
| el. abbr. | O |
| output | |
| abbr. | o/p |
| IT tech. | output |
| mil. abbr. | out |
| OF | |
| abbr. f.trade. | orange flake |
| abbr. oil | ocean freight; oceanographic facility; oil-fired; open fracture |
| abbr. textile | olefin fiber; ooze finish; open fabric; open flame; Oxidationsfarbstoff |
| BY | |
| abbr. | Brand Y |
| abbr. busin. | brilliant yellow |
| abbr. ed. scient. | Brigham Young |
| abbr. med. | butter yellow |
| abbr. mil. | Budget Year |
| abbr. st.exch. | Bway Corporation |
| mil. | budget year |
| by | |
| abbr. | battery; billion years; buoy |
| COMPUTER | |
| abbr. IT | Common Operating Machine Particulars Used For Trade Education And Research |
| computer | |
| abbr. | cmpr; compu |
| abbr. comp., MS | PC |
| abbr. IT | cmpt |
| abbr. mil. | cmptr |
| abbr. progr. | computor |
| comp., MS | PC |