index 音标拼音: ['ɪndɛks]
n . 索引,指针,指数,指标
vt . 编入索引中,指出
vi . 做索引
索引,指针,指数,指标编入索引中,指出做索引
index 沿索引寻查
index 指标
index 索引暂存器
index 索引 指数 指标
index n 1 :
a numerical scale used to compare variables with one another or with some reference number 2 :
a number or ratio (
a value on a scale of measurement )
derived from a series of observed facts ;
can reveal relative changes as a function of time [
synonym : {
index }, {
index number },
{
indicant }, {
indicator }]
3 :
a mathematical notation indicating the number of times a quantity is multiplied by itself [
synonym : {
exponent }, {
power },
{
index }]
4 :
an alphabetical listing of names and topics along with page numbers where they are discussed 5 :
the finger next to the thumb [
synonym : {
index }, {
index finger },
{
forefinger }]
v 1 :
list in an index 2 :
provide with an index ; "
index the book "
3 :
adjust through indexation ; "
The government indexes wages and prices "
Index \
In "
dex \,
n .;
pl .
E . {
Indexes },
L . {
Indices }(?). [
L .:
cf .
F .
index .
See {
Indicate }, {
Diction }.]
[
1913 Webster ]
1 .
That which points out ;
that which shows ,
indicates ,
manifests ,
or discloses ;
as ,
the increasing unemployment rate is an index of how much the economy has slowed .
[
1913 Webster PJC ]
Tastes are the indexes of the different qualities of plants . --
Arbuthnot .
[
1913 Webster ]
2 .
That which guides ,
points out ,
informs ,
or directs ;
a pointer or a hand that directs to anything ,
as the hand of a watch ,
a movable finger or other form of pointer on a gauge ,
scale ,
or other graduated instrument .
In (
printing ),
a sign [[
hand ]] (
called also {
fist })
used to direct particular attention to a note or paragraph .
[
1913 Webster ]
3 .
A table for facilitating reference to topics ,
names ,
and the like ,
in a book ,
usually giving the page on which a particular word or topic may be found ; --
usually alphabetical in arrangement ,
and printed at the end of the volume .
Typically found only in non -
fiction books .
[
1913 Webster PJC ]
4 .
A prologue indicating what follows . [
Obs .] --
Shak .
[
1913 Webster ]
5 . (
Anat .)
The second finger ,
that next to the pollex (
thumb ),
in the manus ,
or hand ;
the forefinger ; {
index finger }.
[
1913 Webster ]
6 . (
Math .)
The figure or letter which shows the power or root of a quantity ;
the exponent . [
In this sense the plural is always {
indices }.]
[
1913 Webster ]
7 .
The ratio ,
or formula expressing the ratio ,
of one dimension of a thing to another dimension ;
as ,
the vertical index of the cranium .
[
Webster 1913 Suppl .]
8 .
A number providing a measure of some quantity derived by a formula ,
usually a form of averaging ,
from multiple quantities ; --
used mostly in economics ;
as ,
the index of leading indicators ;
the index of industrial production ;
the consumer price index .
See ,
for example ,
the {
consumer price index }.
[
PJC ]
9 . (
computers )
A file containing a table with the addresses of data items ,
arranged for rapid and convenient search for the addresses .
[
PJC ]
10 . (
computers )
A number which serves as a label for a data item and also represents the address of a data item within a table or array .
[
PJC ]
11 . (
R .
C .
Ch .),
The {
Index prohibitorius },
a catalogue of books which are forbidden by the church to be read ;
also called {
Index of forbidden books }
and {
Index Librorum Prohibitorum }.
[
PJC ]
{
Index error },
the error in the reading of a mathematical instrument arising from the zero of the index not being in complete adjustment with that of the limb ,
or with its theoretically perfect position in the instrument ;
a correction to be applied to the instrument readings equal to the error of the zero adjustment .
{
Index expurgatorius }. [
L .]
See {
Index prohibitorius }
(
below ).
{
Index finger }.
See {
Index },
5 .
{
Index glass },
the mirror on the index of a quadrant ,
sextant ,
etc .
{
Index hand },
the pointer or hand of a clock ,
watch ,
or other registering machine ;
a hand that points to something .
{
Index of a logarithm } (
Math .),
the integral part of the logarithm ,
and always one less than the number of integral figures in the given number .
It is also called the {
characteristic }.
{
Index of refraction },
or {
Refractive index } (
Opt .),
the number which expresses the ratio of the sine of the angle of incidence to the sine of the angle of refraction .
Thus the index of refraction for sulphur is 2 ,
because ,
when light passes out of air into sulphur ,
the sine of the angle of incidence is double the sine of the angle of refraction .
{
Index plate },
a graduated circular plate ,
or one with circular rows of holes differently spaced ;
used in machines for graduating circles ,
cutting gear teeth ,
etc .
{
Index prohibitorius } [
L .],
or {
Prohibitory index } (
R .
C .
Ch .),
a catalogue of books which are forbidden by the church to be read ;
the index expurgatorius [
L .],
or expurgatory index ,
is a catalogue of books from which passages marked as against faith or morals must be removed before Catholics can read them .
These catalogues are published with additions ,
from time to time ,
by the Congregation of the Index ,
composed of cardinals ,
theologians ,
etc .,
under the sanction of the pope . --
Hook .
{
Index rerum } [
L .],
a tabulated and alphabetized notebook ,
for systematic preservation of items ,
quotations ,
etc .
[
1913 Webster ]
Index \
In "
dex \,
v .
t . [
imp . &
p .
p . {
Indexed };
p .
pr . &
vb .
n .
{
Indexing }.]
1 .
To provide with an index or table of references ;
to put into an index ;
as ,
to index a book ,
or its contents .
[
1913 Webster ]
2 . (
Economics )
To adjust (
wages ,
prices ,
taxes ,
etc .)
automatically so as to compensate for changes in prices ,
usually as measured by the {
consumer price index }
or other economic measure .
Its purpose is usually to copensate for inflation .
[
PJC ]
3 .
To insert (
a word ,
name ,
file folder ,
etc .)
into an index or into an indexed arrangement ;
as ,
to index a contract under its date of signing .
[
PJC ]
432 Moby Thesaurus words for "
index ":
Art Index ,
Baedeker ,
Bibliography Index ,
Books in Print ,
Cumulative Book Index ,
Education Index ,
Eighteenth Amendment ,
Lambert conformal projection ,
Mercator projection ,
Miller projection ,
National Union Catalog ,
Prohibition Party ,
Volstead Act ,
Yellow Pages ,
acknowledgments ,
aeronautical chart ,
alphabetize ,
analyze ,
annotated bibliography ,
annual bibliography ,
annulary ,
aroma ,
arrange ,
arrow ,
assort ,
astronomical chart ,
atlas ,
attribute ,
azimuthal equidistant projection ,
azimuthal projection ,
back ,
back matter ,
backlist ,
badge ,
ban ,
banner ,
bastard title ,
bibliography ,
bibliography of bibliographies ,
blaze ,
book ,
brand ,
break down ,
broad hint ,
business directory ,
cachet ,
calendar ,
card index ,
cartographer ,
cartography ,
carve ,
casebook ,
cast ,
catalog ,
catalogue ,
catalogue raisonne ,
catch line ,
catchword ,
categorize ,
celestial chart ,
celestial globe ,
census ,
chalk ,
chalk up ,
character ,
characteristic ,
chart ,
check in ,
checklist ,
chorographer ,
chorography ,
chronicle ,
city directory ,
class ,
classified catalog ,
classified directory ,
classify ,
climatic chart ,
clue ,
code ,
codify ,
colophon ,
compass needle ,
composition ,
concordance ,
configuration ,
conic projection ,
constituents ,
content ,
contents ,
contents page ,
contour line ,
contour map ,
contraband ,
copyright page ,
critical bibliography ,
cue ,
cut ,
cyclopedia ,
cylindrical projection ,
dactylion ,
dedication ,
denial ,
device ,
diatesseron ,
dictionary catalog ,
differentia ,
differential ,
digest ,
digit ,
direction ,
direction post ,
directory ,
disallowance ,
distinctive feature ,
divide ,
divisions ,
docket ,
earmark ,
elements ,
embargo ,
encyclopedia ,
endleaf ,
endpaper ,
endsheet ,
engrave ,
enroll ,
enscroll ,
enter ,
enumerate ,
errata ,
evidence ,
exclusion ,
factor ,
feature ,
figure ,
figures ,
file ,
fill out ,
finding list ,
finger ,
finger post ,
fist ,
flavor ,
flyleaf ,
folio ,
forbiddance ,
forbidden fruit ,
forbidding ,
fore edge ,
forefinger ,
foreword ,
formula ,
front matter ,
gazetteer ,
general reference map ,
gentle hint ,
gesture ,
glimmer ,
glimmering ,
globe ,
gnomonic projection ,
grade ,
graphic scale ,
grave ,
grid line ,
group ,
guide ,
guideboard ,
guidebook ,
guidepost ,
gust ,
guts ,
hachure ,
half -
title page ,
hallmark ,
hand ,
handbook ,
handlist ,
harmony ,
head ,
heliographic chart ,
hint ,
hour hand ,
hydrographic chart ,
idiocrasy ,
idiosyncrasy ,
image ,
impanel ,
implication ,
impress ,
impression ,
imprint ,
incise ,
index expurgatorius ,
index finger ,
index librorum prohibitorum ,
indexes ,
indicant ,
indication ,
indicator ,
indices ,
individualism ,
ingredients ,
inhibition ,
injunction ,
inkling ,
innards ,
innuendo ,
inscribe ,
inscription ,
insert ,
insides ,
insignia ,
insinuation ,
interdict ,
interdiction ,
interdictum ,
intimation ,
introduction ,
inventory ,
isoline ,
itemize ,
items ,
itinerary ,
jot down ,
keep score ,
key ,
keynote ,
kick ,
latitude ,
law ,
layer tint ,
lead ,
leaf ,
legend ,
lineaments ,
list ,
listing ,
little finger ,
log ,
longitude ,
look ,
lubber line ,
make a memorandum ,
make a note ,
make an entry ,
make out ,
makeup ,
mannerism ,
map ,
map maker ,
map projection ,
mapper ,
mark ,
mark down ,
marker ,
marking ,
matriculate ,
measure ,
medius ,
meridian ,
middle finger ,
milepost ,
minimus ,
minute ,
minute hand ,
mold ,
nature ,
needle ,
no -
no ,
nod ,
note ,
note down ,
nudge ,
odor ,
order ,
page ,
parallel ,
part ,
particularity ,
parts ,
peculiarity ,
periodical index ,
phone book ,
photogrammetrist ,
photogrammetry ,
photomap ,
phototopography ,
physical map ,
picture ,
pigeonhole ,
pinkie ,
place ,
place upon record ,
pointer ,
political map ,
poll ,
pollex ,
polyconic projection ,
polyglot ,
post ,
post up ,
preclusion ,
preface ,
preliminaries ,
prevention ,
program ,
prohibition ,
prohibitory injunction ,
projection ,
prompt ,
property ,
proscription ,
put down ,
put in writing ,
put on paper ,
put on tape ,
quality ,
quirk ,
range ,
rank ,
rate ,
ratio ,
record ,
record book ,
recto ,
reduce to writing ,
reference book ,
refusal ,
register ,
rejection ,
relief map ,
representation ,
representative ,
representative fraction ,
repression ,
restrictive covenants ,
reverso ,
ring finger ,
road map ,
roadbook ,
ruling out ,
running title ,
savor ,
scale ,
scent ,
schedule ,
score ,
seal ,
set down ,
shape ,
sigil ,
sign ,
signal ,
signature ,
signboard ,
significant ,
signpost ,
singularity ,
sinusoidal projection ,
smack ,
sort ,
source book ,
special map ,
specialty ,
spoor ,
stamp ,
statistics ,
statute ,
studbook ,
subdivide ,
subtitle ,
suggestion ,
sumptuary laws ,
suppression ,
sure sign ,
suspicion ,
symptom ,
table ,
table of contents ,
table of organization ,
taboo ,
tabulate ,
tail ,
taint ,
take down ,
tally ,
tang ,
tape ,
tape -
record ,
taste ,
telephone book ,
telephone directory ,
telltale ,
telltale sign ,
terrain map ,
terrestrial globe ,
text ,
thematic map ,
thesaurus ,
thumb ,
thumb index ,
title ,
title page ,
token ,
topographer ,
topographic chart ,
topography ,
track ,
trait ,
transportation map ,
trick ,
trim size ,
type ,
type page ,
verso ,
videotape ,
vital statistics ,
weather chart ,
weather map ,
whisper ,
whole ,
wink ,
work of reference ,
write ,
write down ,
write in ,
write out ,
write up ,
zoning ,
zoning laws
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Negative Indexing in Python List – How to Use “-1” Parameter In indexing, we use a positive integer inside the index operator (square brackets), but we can use a negative integer to start iterating from the last element called negative indexing
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Python Index List: A Comprehensive Guide - CodeRivers For a list with n elements, the last element has an index of n - 1 Negative Indexing: Python also supports negative indexing Negative indexing starts from -1, where -1 refers to the last element of the list, -2 refers to the second - last element, and so on For example: my_list = [10, 20, 30, 40] print(my_list[-1]) print(my_list[-3]) Output:
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