| Subject | English | Thesaurus |
| missil. | Booster Obsolescence and Life Extension | Устаревание и продление срока эксплуатации разгонного блока (BOLE; NASA program MichaelBurov) |
| comp., abbr. | Extension Language Facility | ELF |
| sec.sys., abbr. | Java Cryptography Extensions | JCE |
| abbr., file.ext. | Multimedia Internet Message Extensions | MIME |
| IT | OOP extension | Object Oriented Programming Extension ('More) |
| abbr., astronaut., mil. | Threshold Extension Demodulator | TED |