nullvalue
nounUK /ˈnʌlˌvæljuː/
US /ˈnʌlˌvæljuː/
A null value is a special empty spot that means 'no information here'.
The form showed a null value because the user did not type their middle name.
RELATED WORDS
OTHER MEANINGS
2. In computing, a marker showing that a variable holds no usable data.
The program crashed because it tried to read a null value.
3. In math and logic, a value that stands for nothing or zero quantity.
The equation returned a null value when the input was empty.
4. A missing answer in a table or spreadsheet cell.
Sorting the list put every null value at the bottom.