| Acronym | Meaning |
| ODR | Optical Double Resonance |
| FMDF | Fixed Mirror Distributed Focus (solar Concentrator) |
| IMPPT | Intermolecular Moeller-Plesset Perturbation Theory |
| GIPT | Granular Injection Paint Technology |
| FOQELS | Fiber Optic Quasi Elastic Light Scattering |
| IGCAR | Indira Gandhi Center Atomic Research |
| SC-SCF | Semiclassical Self-consistent Field |
| FTMS | Fourier Transform Mass Spectrometry |
| GMC | Giant Molecular Cloud |
| POSAP | Position-sensitive Atom Probe |