| Subject | English | Thesaurus |
| abbr., arts. | a British pottery manufacturer, the hand made items of which are particularly associated with the use of rich flambe glazes, giving high colour intensity and vibrancy. | moorcroft (Franka_LV) |
| USA | Because of the Ultra Low Level of the quality of the product, Special High Intensity Testing is required | BULLSHIT |
| quant.mech. | high Intensity accelerator facility | HIAF (China MichaelBurov) |
| abbr., avia. | High Intensity Approach Lighting System | HIALS (Interex) |
| abbr., met. | High Intensity Conditioning | HIC (флотация gr82bstr8) |
| abbr., astronaut., mil. | High Intensity Conflict | HIC |
| abbr., tech. | High Intensity Discharge lamp | HID lamp (Jimmy) |
| law, abbr. | High Intensity Drug Trafficking Area | HIDTA |
| quant.mech. | High Intensity heavy ion Accelerator Facility | HIAF (China MichaelBurov) |
| mil., abbr. | High Intensity Interval Training | HIIT |
| abbr., scottish | High Intensity Laser Missile Defence System | HILMDS |
| energ.ind., abbr. | high intensity linear accelerator | hilae |
| mil., logist. | high intensity operation | Operation whereby all operational functions are activated in order to face open violence from an enemy. (FRA) |
| abbr., astronaut., mil. | High Intensity Radiated Field | HIRF |
| abbr., avia. | High Intensity Radiated Frequencies | HIRF (bonly) |
| abbr., astronaut., mil. | High Intensity Radio Frequency | HIRF |
| abbr., avia. | High Intensity Radio Transmission Area | HIRTA (Interex) |
| photo., abbr. | High Intensity Reciprocity Failure | HIRF |
| avia., Canada | high intensity runway operations | Operations, used at very busy airports, that consist of optimizing separation of aircraft in final approach in order to minimize runway occupancy time (ROT) for both arriving and departing aircraft and to increase runway capacity |
| abbr., avia. | High Intensity Strobe Lights | HISL (ВосьМой) |
| mil., abbr. | High Intensity Training | HIT |
| ed., abbr. | High Intensity Transfer Enrichment | HITE |
| media., abbr. | High Intensity Visual Entertainment | HIVE |
| abbr., astronaut., mil. | High-Intensity Lighting | HIL |
| mil. | high-intensity lights | High-intensity hydrogen-chloride light on a reflector-equipped hand-held candle-holder |
| abbr., met. | High-Intensity Magnetic Separator | HIMS (магнитный сепаратор высокой производительности Featus) |
| abbr., scottish | High-Intensity Runway Lights | HIRL |
| USA | Special High Intensity Testing | SHIT |
| USA | Special High- Intensity Training | SHIT |
| sport., abbr. | Super High Intensity Tournaments | SHIT |
| abbr. | Tandy High-intensity Optical Recording | THOR |
| NASA, abbr. | Ultra- High Intensity | UHI |
