| Acronym | Definition |
|---|
| NESI➣Not Elsewhere Specified or Included (food labeling) |
| NESI➣Net-Centric Enterprise Solutions for Interoperability |
| NESI➣Non-public Educational Services, Inc.(Salem, Massachusetts and Woodbridge, Virginia) |
| NESI➣Native English-Speaking Instructors |
| NESI➣No one Expects the Spanish Inquisition (Monty Python) |
| NESI➣Noise Equivalent Spectral Irradiance |