NULL 音标拼音: [n'ʌl]
n . 空,零迅号,零
a . 无效力的,无效的,无价值的
空,零迅号,零无效力的,无效的,无价值的
null 空的; 空; 无; 零; 空白; 虚字; 空( 字元 )
NUL null 空
null adj 1 :
lacking any legal or binding force ; "
null and void " [
synonym :
{
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 " [
synonym : {
nothing },
{
nil }, {
nix }, {
nada }, {
null }, {
aught }, {
cipher }, {
cypher },
{
goose egg }, {
naught }, {
zero }, {
zilch }, {
zip }, {
zippo }]
Null \
Null \,
v .
t . [
From null ,
a .,
or perh .
abbrev .
from annul .]
To annul . [
Obs .] --
Milton .
[
1913 Webster ]
Null \
Null \,
n . [
Etymol .
uncertain .]
One of the beads in {
nulled work }.
[
1913 Webster ]
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 ]
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 ]
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
安装中文字典英文字典查询工具! 中文字典英文字典工具:
复制到剪贴板
英文字典中文字典相关资料: