A non-existent or empty value or set of values.
Zero quantity of expressions; nothing.
Something that has no force or meaning.
The ASCII or Unicode character (␀), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
The attribute of an entity that has no valid value.
Since no date of birth was entered for the patient, his age is null.
One of the beads in nulled work.
Null hypothesis.
To nullify; to annul.
To form nulls, or into nulls, as in a lathe.
To crack; to remove restrictions or limitations in (software).