| Abbreviation | Definition |
|---|---|
| BEFL | Brillouin/Erbium Fiber Laser |
| BENE | Beams for European. Neutrino Experiments |
| BERT | Background Equivalent Radiation Time |
| BESS | Breaking Electroweak Symmetry Strongly |
| BetaNMR | Beta-radiation Nuclear Magnetic Resonance |
| Beta-NMR | Beta-Radiation Detected Nuclear Magnetic Resonance |
| BEVRCNS | Balancing Equilibrium Vector Ratio of Cosmic Nuclear Stability:- The GOD'S central vector matrix st |
| BF | Back and Forth |
| BF | Barcan Formula |
| BF-TEM | Bright-field transmission electron microscopy |
| BG | Boltzmann Gibbs |
| BGO | bismuth-germanate (scintillator) |
| BGOB | Best Grid Of Beams |
| BGT | Brueckner-Gammel-Thaler potential |
| BHBF | Blue Horizontal Branch Field |
| BHLH | Basic Helix Loop Helix |
| BHP | Brake HorsePower |
| BHS | Bachelet Hamann Schluter pseudopotentials |
| BIA | bioelectrical impedance analysis |
| BID | Buoyancy-Induced Dispersion |