undefinedvalue
nounUK /ˌʌndɪˈfaɪnd ˈvæljuː/
US /ˌʌndɪˈfaɪnd ˈvæljuː/
An undefined value is a spot where there is no number or answer yet.
The computer showed an undefined value because we never typed in a number.
RELATED WORDS
OTHER MEANINGS
2. A value that has not been given a meaning or rule yet.
In the puzzle, the letter x is an undefined value until we solve it.
3. A result a program shows when it cannot work out an answer.
Dividing by zero gave an undefined value on the screen.
4. A blank space in a table where information is still missing.
The chart had an undefined value in the last box.