Null

Null
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. [1913 Webster]

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]


The Collaborative International Dictionary of English. 2000.

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  • Null — (de) …   Kölsch Dialekt Lexikon

  • null —  null …   Hochdeutsch - Plautdietsch Wörterbuch

  • Null —  Pour le musicien japonais, voir Kazuyuki K. Null. NULL est un mot clef présent dans de nombreux langages informatiques, et qui désigne l état d un pointeur qui n a pas de cible ou d une variable qui n a pas de valeur. La notion de valeur ou …   Wikipédia en Français

  • Null — may refer to: Contents 1 In computing 2 In art 3 In mathematics 4 In science 5 People …   Wikipedia

  • Null — «Null» redirige aquí. Para otras acepciones, véase Null (desambiguación). El término null o nulo es a menudo utilizado en la computación, haciendo referencia a la nada. En programación, null resulta ser un valor especial aplicado a un puntero (o… …   Wikipedia Español

  • null — [nʌl] adjective [only before a noun] 1. STATISTICS a null effect, result etc is one that is zero or nothing 2. LAW another name for null and void: • Their suit also asks the court to declare null the buyer s shareholder rights plan. * * * …   Financial and business terms

  • NULL (Си и Си++) — NULL в языках программирования Си и C++  макрос, объявленный в заголовочном файле stddef.h (и других заголовочных файлах). Значением этого макроса является зависящая от реализации константа нулевого указателя (англ. null pointer constant).… …   Википедия

  • null — / nəl/ adj [Anglo French nul, literally, not any, from Latin nullus, from ne not + ullus any]: having no legal or binding force: void a null contract Merriam Webster’s Dictionary of Law. Merriam Webster. 1996 …   Law dictionary

  • Null-O — is a 1958 science fiction short story by Philip K. Dick. This rather brief story examines the concept of totally unempathic and logical humans ( Null O s) in an obvious parody of the plot and concepts of The Players of Null A by A. E. van Vogt.… …   Wikipedia

  • Null — Sf std. (16. Jh.) Entlehnung. Entlehnt aus l. nulla gleicher Bedeutung, feminine Substantivierung von l. nullus keiner . Dieses ist eine Lehnbedeutung von arab. ṣifr, das ebenfalls Null und leer bedeutet und das seinerseits ai. śūnya Null, leer… …   Etymologisches Wörterbuch der deutschen sprache

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