 |
| |||
| singlet line (in atomic spectroscopy) | |||
| singlet spectrum | |||
| charge singlet; isobaric spin singlet; isosinglet; singlet; isotopic spin singlet; isospin singlet; particle singlet; charge singulet | |||
| singulet: 20 phrases in 2 subjects |
| Health care | 2 |
| High energy physics | 18 |