Zero 音标拼音: [z'ɪro] [z'iro]
n . 零,零点,零度,无,乌有,最低点
a . 零的
vt . 调零,对准
零,零点,零度,无,乌有,最低点零的调零,对准
zero 磁性不归零制
MNRZ
zero 负--正--零
NPZ
zero 不归零
NRZ
zero 不归零
NRZ
zero )
无极归零录讯
zero )
有极归零录讯
zero 归零
zero 零; 零位; 零点;
0 Z
zero 交替不归零制
ANRZ zero 零
zero adj 1 :
indicating the absence of any or all units under consideration ; "
a zero score " [
synonym : {
zero }, {
0 }]
2 :
having no measurable or otherwise determinable value ; "
the goal is zero population growth "
3 :
indicating an initial point or origin 4 :
of or relating to the null set (
a set with no members )
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 }]
2 :
a mathematical element that when added to another number yields the same number [
synonym : {
zero }, {
0 }, {
nought }, {
cipher },
{
cypher }]
3 :
the point on a scale from which positive or negative numerical quantities can be measured [
synonym : {
zero }, {
zero point }]
4 :
the sight setting that will cause a projectile to hit the center of the target with no wind blowing v 1 :
adjust (
an instrument or device )
to zero value 2 :
adjust (
as by firing under test conditions )
the zero of (
a gun ); "
He zeroed in his rifle at 200 yards " [
synonym : {
zero },
{
zero in }]
Zero \
Ze "
ro \,
n .;
pl . {
Zeros }
or {
Zeroes }. [
F .
z ['
e ]
ro ,
from Ar .
[,
c ]
afrun , [,
c ]
ifrun ,
empty ,
a cipher .
Cf . {
Cipher }.]
[
1913 Webster ]
1 . (
Arith .)
A cipher ;
nothing ;
naught .
[
1913 Webster ]
2 .
The point from which the graduation of a scale ,
as of a thermometer ,
commences .
[
1913 Webster ]
Note :
Zero in the Centigrade ,
or Celsius thermometer ,
and in the R ['
e ]
aumur thermometer ,
is at the point at which water congeals .
The zero of the Fahrenheit thermometer is fixed at the point at which the mercury stands when immersed in a mixture of snow and common salt .
In Wedgwood '
s pyrometer ,
the zero corresponds with 1077 [
deg ]
on the Fahrenheit scale .
See Illust .
of {
Thermometer }.
[
1913 Webster ]
3 .
Fig .:
The lowest point ;
the point of exhaustion ;
as ,
his patience had nearly reached zero .
[
1913 Webster ]
{
Absolute zero }.
See under {
Absolute }.
{
Zero method } (
Physics ),
a method of comparing ,
or measuring ,
forces ,
electric currents ,
etc .,
by so opposing them that the pointer of an indicating apparatus ,
or the needle of a galvanometer ,
remains at ,
or is brought to ,
zero ,
as contrasted with methods in which the deflection is observed directly ; --
called also {
null method }.
{
Zero point },
the point indicating zero ,
or the commencement of a scale or reckoning .
[
1913 Webster ]
[
1913 Webster ]
52 Moby Thesaurus words for "
zero ":
absolute zero ,
aught ,
blank ,
boiling point ,
cipher ,
concentrate on ,
dew point ,
duck ,
dud ,
dummy ,
fix on ,
focus on ,
freezing point ,
goose egg ,
hollow man ,
home in on ,
insignificancy ,
jackstraw ,
lay figure ,
man of straw ,
melting point ,
nada ,
nadir ,
naught ,
nebbish ,
nichts ,
nihil ,
nil ,
nix ,
no such thing ,
nobody ,
nonentity ,
nothing ,
nothing at all ,
nothing on earth ,
nothing whatever ,
nought ,
null ,
nullity ,
pinpoint ,
puppet ,
pushover ,
recalescence point ,
rock bottom ,
temperature ,
thing of naught ,
trifle ,
void ,
whiffet ,
whippersnapper ,
zero in on ,
zilch 1 .
0 , {ASCI } character 48 . Numeric zero , as
opposed to the letter "O " (the 15th letter of the English
alphabet ). In their unmodified forms they look a lot alike ,
and various {kluges } invented to make them visually distinct
have compounded the confusion .
If your zero is centre -dotted and letter -O is not , or if
letter -O looks almost rectangular but zero looks more like an
American football stood on end (or the reverse ), you 're
probably looking at a modern character display (though the
dotted zero seems to have originated as an option on {IBM
3270 } controllers ). If your zero is slashed but letter -O is
not , you 're probably looking at an old -style {ASCII } graphic
set descended from the default typewheel on the venerable
ASR -33 } {Teletype } (Scandinavians , for whom slashed -O is a
letter , curse this arrangement ).
If letter -O has a slash across it and the zero does not , your
display is tuned for a very old convention used at {IBM } and a
few other early mainframe makers (Scandinavians curse *this *
arrangement even more , because it means two of their letters
collide ). Some {Burroughs }/{Unisys } equipment displays a zero
with a *reversed * slash . And yet another convention common on
early {line printers } left zero unornamented but added a tail
or hook to the letter -O so that it resembled an inverted Q or
cursive capital letter -O .
Jargon File }]
1995 -01 -24 )
2 . To set to zero . Usually said of small pieces of data , such
as bits or words (especially in the construction "zero out ").
3 . To erase ; to discard all data from . Said of disks and
directories , where "zeroing " need not involve actually writing
zeroes throughout the area being zeroed . One may speak of
something being "logically zeroed " rather than being
physically zeroed ".
See {scribble }.
1999 -02 -07 )
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