| Subject | Estonian | English |
| stat., fin. | keskväärtusega null | mean zero |
| fin. | null alammäär | floor of zero |
| IT | null-lause | dummy statement (nullütlus, tühi lause) |
| comp., MS | null-tärk | null character (" 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. ") |