| Abbreviation | Definition |
|---|---|
| HRBW | Rockwell Hardness on the Rockwell B scale |
| HTEB | High Toughness Eco Binder |
| HTTM | Heat Transfer and Turbulence Mechanics |
| I4T | Inline 4 Turbo |
| IBCM | Inventory of Basic Conceptions Mechanics |
| IBRC | Injury Biomechanics Research Center |
| ICHMM | International Conference for Heterogeneous Materials Mechanics |
| IDE | Innovation Design Engineering |
| IDK | HFHGNDHG YHDT J RJSY BYJRS. HJBFJHDB |
| IE | Inline Engine |
| IEPR | Integrated Engine Pressure Ratio |
| IFMO | Institute of Fine Mechanics and Optics |
| IJAM | International Journal of Applied Mechanics |
| IJMC | International Journal of Mechanics and Control |
| IJMT | International Journal of Mechanics and Thermodynamics |
| INDR | Integrated Noise and Dust Reduction |
| INOX | Inoxidable |
| IQ | Installation Qualification |
| IRAN | Integrated Railroad Around Nations |
| ISBS | International Society of Biomechanics in Sport |