nullable

English

Etymology

From null +‎ -able.

Adjective

nullable (not comparable)

1. That may be nullified; nullifiable.
   • 1841, F. Barham, The political works of Marcus Tullius Cicero:

     Then you regard as nullable and voidable the laws of Titius and Apuleius, because they are unjust.

2. (computing, of a variable or object) That is allowed to have a null value.
   • 2006, Anthony Molinaro, SQL Cookbook:

     You want to perform an aggregation on a column, but the column is nullable.

Derived terms

• nullability

Noun

nullable (plural nullables)

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