null


From The Collaborative International Dictionary of English v.0.48:

Null \Null\, v. t. [From null, a., or perh. abbrev. from annul.]
   To annul. [Obs.] --Milton.
   [1913 Webster]
.

From The Collaborative International Dictionary of English v.0.48:

Null \Null\, n. [Etymol. uncertain.]
   One of the beads in nulled work.
   [1913 Webster]
.

From The Collaborative International Dictionary of English v.0.48:

Null \Null\, a. [L. nullus not any, none; ne not + ullus any, a
   dim. of unus one; cf. F. nul. See No, and One, and cf.
   None.]
   1. Of no legal or binding force or validity; of no efficacy;
      invalid; void; nugatory; useless.
      [1913 Webster]

            Faultily faultless, icily regular, splendidly null,
            Dead perfection; no more.             --Tennyson.
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   2. Having a value of zero; as, of null utility.
      [PJC]

   3. (Math.) Empty; having no members; as, the null set.
      [PJC]

   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.
      [PJC]
.

From The Collaborative International Dictionary of English v.0.48:

Null \Null\, n.
   1. Something that has no force or meaning.
      [1913 Webster]

   2. That which has no value; a cipher; zero. --Bacon.
      [1913 Webster]

   Null method (Physics.), a zero method. See under Zero.
      [1913 Webster]
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