| Subject | English | Thesaurus |
| abbr., file.ext. | Information/Interface Message Processor | IMP |
| abbr. | Interface Message Processor | IMP (ARPANET/MILNET) |
| el., abbr. | Interface Message Processor | IMP |
| IT, abbr. | Interface Message Processor | IMP (ARPANET/MILNET, replaced by PSN) |
| telecom., abbr. | Interface Message Processor | IMP (ARPANET) |
| IT, abbr. | Interface Message Processors | IMP (ARPANET, MILNET) |
| telecom., abbr. | Interface Message Processors | IMP |
| abbr., astronaut., mil. | Terminal Interface message Processor | TIP |