missing-mass
| Problem
| "missing mass" | |
| hi.energ. | missing mass |
| Problem | |
| gen. | business; issue; problem; trouble; difficulty |
| comp., MS | issue; problem |
| fig. | headache |
| tech. | task |
| |||
| missing mass | |||
|
missing-mass" : 5 phrases in 1 subject |
| High energy physics | 5 |