| Subject | English | Thesaurus |
| airports, abbr. | Aracaju, SE, Brazil | AJU |
| ocean., abbr. | Coordinated Research & Monitoring Program of Marine Contamination in the SE Pacific | CONPACSE |
| Nasdaq, abbr. | Per-Se Technologies, Inc. | PSTI |
| abbr., file.ext. | Poseidon UML CE/SE Diagram | ZARGO |
| abbr., lat. | pro se legal representation | pro se |
| airports, abbr. | Rio Hondo, SE, Argentina | RHD |
| abbr., ecol. | SE4All | Sustainable Energy for All (dragonfly_89) |
| abbr., oil | SE/C | southeast corner |
| O&G, sahk.r. | SE DMS | SE Document Management System |
| abbr., O&G, sahk.r. | SE Document Management System | SE DMS |
| abbr., avia. | SE/FAC | support equipment/facility |
| abbr., el. | SE-HBT | single-emitter heterostructure bipolar transistor |
| abbr. | SE & I | system engineering and integration |
| abbr., scottish | SE&I | Systems Engineering & Integration |
| abbr., mil. | SE&I | Systems Engineering and Integration |
| mil. | SE/IWT | Southern Europe-inland waterways transport |
| abbr., el. | SE-LED | surface-emitting light-emitting diode |
| abbr., O&G, sahk.r. | SE-M | Sakhalin Energy Moscow |
| abbr., el. | SE/ME | single entry/multiple exit |
| abbr., el. | SE-MQWLD | segmented electrode multiquantum well laser diode |
| O&G | SE NA | screw end American National Acme Thread |
| abbr. | SE NC | screw end American National coarse thread |
| abbr. | SE NPT | screw end American National taper pipe thread |
| invest. | SE&O | salve errore et omissione |
| abbr. | SE&PCo | Savannah Electric and Power Company |
| abbr., O&G, sahk.r. | SE-R | Sakhalin Energy Rijswijk |
| mil. | SE/RRT | Southern Europe, railroad transport |
| mil. | SE/RT | Southern Europe, road transport |
| abbr., el. | SE-RTBT | superlattice-emitter resonant-tunneling bipolar transistor |
| abbr., el. | SE/SE | single entry/single exit |
| abbr., avia. | SE/TA | system engineering technical assistance |
| abbr., mil., avia. | SE&TD | systems engineering and technical direction |
| abbr., el. | SE&TD | system engineering and technical direction |
| abbr. | SE & TD | systems engineering and technical direction |
| abbr., O&G, sahk.r. | SE-YS | Sakhalin Energy Yuzhno-Sakhalinsk |
| meteorol., abbr. | Sud-Aviation SE-210 Karavelle | SE-210 |
| rude, abbr. | U&SE=1">>U | Screw You |
