Null
Null , adjective
[Latin nullus not any, none; ne not + ullus any, a dim. of unus one; compare French nul. See No, and One, and compare None.]
1.
Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.
Faultily faultless, icily regular, splendidly null,
Dead perfection; no more.
2.
Having a value of zero; as, of null utility.
3.
(Mathematics) Empty; having no members; as, the null set.
4.
(Computers) Unassigned or meaningless; -- a special value given to variables, especially pointers or logical variables, indicating that it is meaningless and cannot be used in computation; as, an uninitialized pointer in "C" is given a null value. The actual value that is stored in memory to indicate the null condition may vary with the computer language used.
Null , noun
1.
Something that has no force or meaning.
2.
That which has no value; a cipher; zero. — Bacon
Collocations (1)
Null , transitive verb
[From null, a., or perh. abbrev. from annul.]
To annul. [Obsolete] — Milton
Null , noun
[Etymol. uncertain.]
One of the beads in nulled work.