| Subject | English | German |
| commun. | bearing null | Peilrichtungsnull |
| commun. | bearing null | Peilminimum |
| tech. | cone of nulls | Nullkegel |
| gen. | null and void | nicht gewertet |
| law | null and void invalid, without legal force | null und nichtig |
| gen. | null and void | null und nichtig |
| comp., MS | null character | Zeichen NULL (" A character code with a null value; literally, a character meaning "nothing." Although it is real in the sense of being recognizable, occupying space internally in the computer, and being sent or received as a character, a NUL character displays nothing, takes no space on the screen or on paper, and causes no specific action when sent to a printer. In ASCII, NUL is represented by the character code 0. ") |
| comp., MS | null field | NULL-Feld (" A field containing a Null value. A null field isn't the same as a field that contains a zero-length string (" ") or a field with a value of 0.") |
| comp., MS | null modem | Null-Modem (Special cabling that eliminates the modem's need for asynchronous communications between two computers over short distances. A null modem cable emulates modem communication) |
| gen. | null modem | Null-Modem |
| microel. | offset-nulled | mit Nullabgleich |