indices 音标拼音: ['ɪndɪs
, iz] ['ɪndəsɪz]
n .
index 的复数
index 的复数
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 ]
Indices \
In "
di *
ces \,
n .
pl .
See {
Index }.
[
1913 Webster ]
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