null

  1. Noun.  A non-existent or empty value or set of values.
  2. Noun.  Zero quantity of expressions; nothing.
  3. Noun.  (computing) the ASCII or Unicode character ((unicode, ␀) ), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
  4. Noun.  (computing) the attribute of an entity that has no valid value.
  5. Adjective.  Having no validity, "null and void".
  6. Adjective.  insignificant.
  7. Adjective.  absent or non-existent.
  8. Adjective.  (mathematics) of the null set.
  9. Adjective.  (mathematics) of or comprising a value of precisely zero.
  10. Adjective.  (context, genetics) causing a complete loss of gene function, amorphic.
  11. Verb.  (transitive) to nullify.

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This entry was last updated on RefTopia from its source on 3/20/2012.