null
from
WordNet (r) 3.0 (2006)
null
adj 1: lacking any legal or binding force; "null and void" [syn:
{null}, {void}]
n 1: a quantity of no importance; "it looked like nothing I had
ever seen before"; "reduced to nil all the work we had
done"; "we racked up a pathetic goose egg"; "it was all for
naught"; "I didn't hear zilch about it" [syn: {nothing},
{nil}, {nix}, {nada}, {null}, {aught}, {cipher}, {cypher},
{goose egg}, {naught}, {zero}, {zilch}, {zip}, {zippo}]
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.
[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]
from
The Free On-line Dictionary of Computing (8 July 2008)
null
<programming> A special value used in several languages to
represent the thing referred to by an uninitialised pointer.
<database> A special value that may be stored in some database
columns to represent an unknown, missing, not applicable, or
undefined value. Nulls are treated completely differently
from ordinary values when evaluating SQL expressions and there
are several SQL constructs for dealing with nulls.
(2003-06-17)
from
Bouvier's Law Dictionary, Revised 6th Ed (1856)
NULL. Properly, that which does not exist; that which is not in the nature
of things. In a figurative sense it signifies that which has no more effect
than if it did not exist. 8 Toull. n. 320.
from
Moby Thesaurus II by Grady Ward, 1.0
51 Moby Thesaurus words for "null":
aimless, bad, bare, barren, bland, blank, bleached, characterless,
clear, designless, devoid, empty, existless, featureless, garbled,
hollow, importless, inane, ineffective, ineffectual, inefficacious,
insignificant, insipid, invalid, lacking, meaningless, minus,
missing, negative, nonconnotative, nondenotative, nonexistent,
null and void, phatic, purportless, purposeless, scrambled,
senseless, unexisting, unmeaning, unrelieved, unsignificant,
useless, vacant, vacuous, void, white, with nothing inside,
without being, without content, worthless
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