nullable

That may be nullified; nullifiable.

Adjective

  1. That may be nullified; nullifiable.
    • Then you regard as nullable and voidable the laws of Titius and Apuleius, because they are unjust. - 1841, F. Barham, The political works of Marcus Tullius Cicero:
  2. That is allowed to have a null value.
    • You want to perform an aggregation on a column, but the column is nullable. - 2006, Anthony Molinaro, SQL Cookbook:

Origin

Etymology tree English null Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English nullable From null + -able.

Derived

nullability

Noun

  1. A variable, etc. that is allowed to have a null value.

Forms

nullables