| Acronym | Definition |
|---|
| Hemi➣Hemispherical |
| Hemi➣hemispherical (combustion chambers in engines) |
| Hemi➣Hemisphere |
| Hemi➣Hopkins Extreme Materials Institute (Johns Hopkins University; Maryland) |
| Hemi➣Higher Education Mentoring Initiative (University of Cincinnati; Cincinnati, OH) |
| Hemi➣High Energy Metals, Inc. (Sequim, WA) |
| Hemi➣Hagyard Equine Medical Institute (Lexington, KY) |
| Hemi➣Hybrid EFIE (Electric Field Integral Equation) /MFIE (Magnetic Field Integral Equation) Iterative |
| Hemi➣Husky Energy Marketing, Inc. (Calgary, Alberta, Canada) |