| English | eng-000 |
| third wire | |
| 普通话 | cmn-000 | 中线 |
| 普通话 | cmn-000 | 第三线 |
| English | eng-000 | centerline |
| English | eng-000 | central line |
| English | eng-000 | mean line |
| English | eng-000 | median |
| English | eng-000 | median line |
| English | eng-000 | medium line |
| English | eng-000 | mesophragma |
| English | eng-000 | mid-line |
| English | eng-000 | middle line |
| English | eng-000 | middle wire |
| English | eng-000 | midline |
| English | eng-000 | neutral conductor |
| English | eng-000 | roll parting line |