null

ot noun

1. The attribute of an entity that has no valid value. Since no date of birth was entered for the patient, his age is null.
2. A non-existent or empty value or set of values.
3. Zero quantity of expressions; nothing.
4. Something that has no force or meaning.

sifat adjective

1. Having no validity; "null and void"
2. Insignificant.
3. Absent or non-existent.
4. Of the null set.

fe’l verb

1. To nullify; to annul.
2. To form nulls, or into nulls, as in a lathe.
3. To crack; to remove restrictions or limitations in (software).