| Subject | English | German |
| opt. | atomic line source | Atomlinienquelle |
| environ. | line source | Linienquellen |
| microel. | line source | linienförmige Quelle |
| environ. | line source Line source means a one-dimensional source. An example of a line source is the particular emissions from a dirt road | Linienquellen |
| opt. | line source | linienförmige Lichtquelle |
| phys. | line source | lineare Quelle |
| environ. | line source | Linienquelle |
| life.sc. | line source method | Linienquellen Methode |
| tech. | source code line | Quellcodezeile |
| phys. | source line | Quellfaden |
| tech. | source line | Quellzeile |
| phys. | straight-line source | Linienquelle |