C 音标拼音: [s'i]
n . 字母
C 字母
C c 交流倾印
c 直流倾印
c adj 1 :
being ten more than ninety [
synonym : {
hundred }, {
one hundred }, {
100 }, {
c }]
n 1 :
a degree on the centigrade scale of temperature [
synonym :
{
degree centigrade }, {
degree Celsius }, {
C }]
2 :
the speed at which light travels in a vacuum ;
the constancy and universality of the speed of light is recognized by defining it to be exactly 299 ,
792 ,
458 meters per second [
synonym :
{
speed of light }, {
light speed }, {
c }]
3 :
a vitamin found in fresh fruits (
especially citrus fruits )
and vegetables ;
prevents scurvy [
synonym : {
vitamin C }, {
C },
{
ascorbic acid }]
4 :
one of the four nucleotides used in building DNA ;
all four nucleotides have a common phosphate group and a sugar (
ribose ) [
synonym : {
deoxycytidine monophosphate }, {
C }]
5 :
a base found in DNA and RNA and derived from pyrimidine ;
pairs with guanine [
synonym : {
cytosine }, {
C }]
6 :
an abundant nonmetallic tetravalent element occurring in three allotropic forms :
amorphous carbon and graphite and diamond ;
occurs in all organic compounds [
synonym : {
carbon }, {
C },
{
atomic number 6 }]
7 :
ten 10s [
synonym : {
hundred }, {
100 }, {
C }, {
century }, {
one C }]
8 :
a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second [
synonym :
{
coulomb }, {
C }, {
ampere -
second }]
9 :
a general -
purpose programing language closely associated with the UNIX operating system 10 : (
music )
the keynote of the scale of C major 11 :
the 3rd letter of the Roman alphabet [
synonym : {
C }, {
c }]
12 :
street names for cocaine [
synonym : {
coke }, {
blow }, {
nose candy },
{
snow }, {
C }]
Gastropoda \
Gas *
trop "
o *
da \,
n .
pl ., [
NL .,
fr .
Gr . ?, ?,
stomach -
poda .] (
Zool .)
One of the classes of Mollusca ,
of great extent .
It includes most of the marine spiral shells ,
and the land and fresh -
water snails .
They generally creep by means of a flat ,
muscular disk ,
or foot ,
on the ventral side of the body .
The head usually bears one or two pairs of tentacles .
See {
Mollusca }. [
Written also {
Gasteropoda }.]
[
1913 Webster ]
Note :
The Gastropoda are divided into three subclasses ;
viz .:
({
a })
The Streptoneura or Dioecia ,
including the Pectinibranchiata ,
Rhipidoglossa ,
Docoglossa ,
and Heteropoda . ({
b })
The Euthyneura ,
including the Pulmonata and Opisthobranchia . ({
c })
The Amphineura ,
including the Polyplacophora and Aplacophora .
[
1913 Webster ]
Language \
Lan "
guage \,
n . [
OE .
langage ,
F .
langage ,
fr .
L .
lingua the tongue ,
hence speech ,
language ;
akin to E .
tongue .
See {
Tongue },
cf . {
Lingual }.]
[
1913 Webster ]
1 .
Any means of conveying or communicating ideas ;
specifically ,
human speech ;
the expression of ideas by the voice ;
sounds ,
expressive of thought ,
articulated by the organs of the throat and mouth .
[
1913 Webster ]
Note :
Language consists in the oral utterance of sounds which usage has made the representatives of ideas .
When two or more persons customarily annex the same sounds to the same ideas ,
the expression of these sounds by one person communicates his ideas to another .
This is the primary sense of language ,
the use of which is to communicate the thoughts of one person to another through the organs of hearing .
Articulate sounds are represented to the eye by letters ,
marks ,
or characters ,
which form words .
[
1913 Webster ]
2 .
The expression of ideas by writing ,
or any other instrumentality .
[
1913 Webster ]
3 .
The forms of speech ,
or the methods of expressing ideas ,
peculiar to a particular nation .
[
1913 Webster ]
4 .
The characteristic mode of arranging words ,
peculiar to an individual speaker or writer ;
manner of expression ;
style .
[
1913 Webster ]
Others for language all their care express . --
Pope .
[
1913 Webster ]
5 .
The inarticulate sounds by which animals inferior to man express their feelings or their wants .
[
1913 Webster ]
6 .
The suggestion ,
by objects ,
actions ,
or conditions ,
of ideas associated therewith ;
as ,
the language of flowers .
[
1913 Webster ]
There was . . .
language in their very gesture .
--
Shak .
[
1913 Webster ]
7 .
The vocabulary and phraseology belonging to an art or department of knowledge ;
as ,
medical language ;
the language of chemistry or theology .
[
1913 Webster ]
8 .
A race ,
as distinguished by its speech . [
R .]
[
1913 Webster ]
All the people ,
the nations ,
and the languages ,
fell down and worshiped the golden image . --
Dan .
iii .
7 .
[
1913 Webster ]
9 .
Any system of symbols created for the purpose of communicating ideas ,
emotions ,
commands ,
etc .,
between sentient agents .
[
PJC ]
10 .
Specifically : (
computers )
Any set of symbols and the rules for combining them which are used to specify to a computer the actions that it is to take ;
also referred to as a {
computer lanugage }
or {
programming language };
as ,
JAVA is a new and flexible high -
level language which has achieved popularity very rapidly .
[
PJC ]
Note :
Computer languages are classed a low -
level if each instruction specifies only one operation of the computer ,
or high -
level if each instruction may specify a complex combination of operations . {
Machine language }
and {
assembly language }
are low -
level computer languages . {
FORTRAN }, {
COBOL }
and {
C }
are high -
level computer languages .
Other computer languages ,
such as JAVA ,
allow even more complex combinations of low -
level operations to be performed with a single command .
Many programs ,
such as databases ,
are supplied with special languages adapted to manipulate the objects of concern for that specific program .
These are also high -
level languages .
[
PJC ]
{
Language master },
a teacher of languages . [
Obs .]
Syn :
Speech ;
tongue ;
idiom ;
dialect ;
phraseology ;
diction ;
discourse ;
conversation ;
talk .
Usage : {
Language }, {
Speech }, {
Tongue }, {
Idiom }, {
Dialect }.
Language is generic ,
denoting ,
in its most extended use ,
any mode of conveying ideas ;
speech is the language of articulate sounds ;
tongue is the Anglo -
Saxon term for language ,
esp .
for spoken language ;
as ,
the English tongue .
Idiom denotes the forms of construction peculiar to a particular language ;
dialects are varieties of expression which spring up in different parts of a country among people speaking substantially the same language .
[
1913 Webster ]
Legate \
Leg "
ate \ (
l [
e ^]
g "[
asl ]
t ),
n . [
OE .
legat ,
L .
legatus ,
fr .
legare to send with a commission or charge ,
to depute ,
fr .
lex ,
legis ,
law :
cf .
F .
l ['
e ]
gat ,
It .
legato .
See {
Legal }.]
1 .
An ambassador or envoy .
[
1913 Webster ]
2 .
An ecclesiastic representing the pope and invested with the authority of the Holy See .
[
1913 Webster ]
Note :
Legates are of three kinds : ({
a })
Legates a latere ,
now always cardinals .
They are called ordinary or extraordinary legates ,
the former governing provinces ,
and the latter class being sent to foreign countries on extraordinary occasions . ({
b })
Legati missi ,
who correspond to the ambassadors of temporal governments .
({
c })
Legati nati ,
or legates by virtue of their office ,
as the archbishops of Salzburg and Prague .
[
1913 Webster ]
3 . (
Rom .
Hist .)
(
a )
An official assistant given to a general or to the governor of a province .
(
b )
Under the emperors ,
a governor sent to a province .
[
1913 Webster ]
Libration \
Li *
bra "
tion \ (
l [-
i ]*
br [=
a ]"
sh [
u ^]
n ),
n . [
L .
libratio :
cf .
F .
libration .]
1 .
The act or state of librating . --
Jer .
Taylor .
[
1913 Webster ]
2 . (
Astron .)
A real or apparent libratory motion ,
like that of a balance before coming to rest .
[
1913 Webster ]
{
Libration of the moon },
any one of those small periodical changes in the position of the moon '
s surface relatively to the earth ,
in consequence of which narrow portions at opposite limbs become visible or invisible alternately .
It receives different names according to the manner in which it takes place ;
as : {(
a )}
Libration in longitude ,
that which ,
depending on the place of the moon in its elliptic orbit ,
causes small portions near the eastern and western borders alternately to appear and disappear each month .
({
b })
Libration in latitude ,
that which depends on the varying position of the moon '
s axis in respect to the spectator ,
causing the alternate appearance and disappearance of either pole . ({
c })
Diurnal or parallactic libration ,
that which brings into view on the upper limb ,
at rising and setting ,
some parts not in the average visible hemisphere .
[
1913 Webster ]
Monkey \
Mon "
key \,
n .;
pl . {
Monkeys }. [
Cf .
OIt .
monicchio ,
It .
monnino ,
dim .
of monna an ape ,
also dame ,
mistress ,
contr .
fr .
madonna .
See {
Madonna }.]
1 . (
Zool .)
(
a )
In the most general sense ,
any one of the Quadrumana ,
including apes ,
baboons ,
and lemurs .
(
b )
Any species of Quadrumana ,
except the lemurs .
(
c )
Any one of numerous species of Quadrumana (
esp .
such as have a long tail and prehensile feet )
exclusive of apes and baboons .
[
1913 Webster ]
Note :
The monkeys are often divided into three groups : ({
a })
{
Catarrhines },
or {
Simidae }.
These have an oblong head ,
with the oblique flat nostrils near together .
Some have no tail ,
as the apes .
All these are natives of the Old World . ({
b }) {
Platyrhines },
or {
Cebidae }.
These have a round head ,
with a broad nasal septum ,
so that the nostrils are wide apart and directed downward .
The tail is often prehensile ,
and the thumb is short and not opposable .
These are natives of the New World . ({
c })
{
Strepsorhines },
or {
Lemuroidea }.
These have a pointed head with curved nostrils .
They are natives of Southern Asia ,
Africa ,
and Madagascar .
[
1913 Webster ]
2 .
A term of disapproval ,
ridicule ,
or contempt ,
as for a mischievous child .
[
1913 Webster ]
This is the monkey '
s own giving out ;
she is persuaded I will marry her . --
Shak .
[
1913 Webster ]
3 .
The weight or hammer of a pile driver ,
that is ,
a very heavy mass of iron ,
which ,
being raised on high ,
falls on the head of the pile ,
and drives it into the earth ;
the falling weight of a drop hammer used in forging .
[
1913 Webster ]
4 .
A small trading vessel of the sixteenth century .
[
1913 Webster ]
{
Monkey boat }. (
Naut .)
(
a )
A small boat used in docks .
(
b )
A half -
decked boat used on the River Thames .
{
Monkey block } (
Naut .),
a small single block strapped with a swivel . --
R .
H .
Dana ,
Jr .
{
Monkey flower } (
Bot .),
a plant of the genus {
Mimulus }; --
so called from the appearance of its gaping corolla . --
Gray .
{
Monkey gaff } (
Naut .),
a light gaff attached to the topmast for the better display of signals at sea .
{
Monkey jacket },
a short closely fitting jacket ,
worn by sailors .
{
Monkey rail } (
Naut .),
a second and lighter rail raised about six inches above the quarter rail of a ship .
{
Monkey shine },
monkey trick . [
Slang ,
U .
S .]
{
Monkey trick },
a mischievous prank . --
Saintsbury .
{
Monkey wheel }.
See {
Gin block },
under 5th {
Gin }.
[
1913 Webster ]
Motion \
Mo "
tion \,
n . [
F .,
fr .
L .
motio ,
fr .
movere ,
motum ,
to move .
See {
Move }.]
1 .
The act ,
process ,
or state of changing place or position ;
movement ;
the passing of a body from one place or position to another ,
whether voluntary or involuntary ; --
opposed to {
rest }.
[
1913 Webster ]
Speaking or mute ,
all comeliness and grace attends thee ,
and each word ,
each motion ,
forms .
--
Milton .
[
1913 Webster ]
2 .
Power of ,
or capacity for ,
motion .
[
1913 Webster ]
Devoid of sense and motion . --
Milton .
[
1913 Webster ]
3 .
Direction of movement ;
course ;
tendency ;
as ,
the motion of the planets is from west to east .
[
1913 Webster ]
In our proper motion we ascend . --
Milton .
[
1913 Webster ]
4 .
Change in the relative position of the parts of anything ;
action of a machine with respect to the relative movement of its parts .
[
1913 Webster ]
This is the great wheel to which the clock owes its motion . --
Dr .
H .
More .
[
1913 Webster ]
5 .
Movement of the mind ,
desires ,
or passions ;
mental act ,
or impulse to any action ;
internal activity .
[
1913 Webster ]
Let a good man obey every good motion rising in his heart ,
knowing that every such motion proceeds from God . --
South .
[
1913 Webster ]
6 .
A proposal or suggestion looking to action or progress ;
esp .,
a formal proposal made in a deliberative assembly ;
as ,
a motion to adjourn .
[
1913 Webster ]
Yes ,
I agree ,
and thank you for your motion . --
Shak .
[
1913 Webster ]
7 . (
Law )
An application made to a court or judge orally in open court .
Its object is to obtain an order or rule directing some act to be done in favor of the applicant .
--
Mozley &
W .
[
1913 Webster ]
8 . (
Mus .)
Change of pitch in successive sounds ,
whether in the same part or in groups of parts .
[
1913 Webster ]
The independent motions of different parts sounding together constitute counterpoint . --
Grove .
[
1913 Webster ]
Note :
Conjunct motion is that by single degrees of the scale .
Contrary motion is that when parts move in opposite directions .
Disjunct motion is motion by skips .
Oblique motion is that when one part is stationary while another moves .
Similar or direct motion is that when parts move in the same direction .
[
1913 Webster ]
9 .
A puppet show or puppet . [
Obs .]
[
1913 Webster ]
What motion '
s this ?
the model of Nineveh ? --
Beau . &
Fl .
[
1913 Webster ]
Note :
Motion ,
in mechanics ,
may be simple or compound .
{
Simple motions }
are : ({
a })
straight translation ,
which ,
if of indefinite duration ,
must be reciprocating . ({
b })
Simple rotation ,
which may be either continuous or reciprocating ,
and when reciprocating is called oscillating . ({
c })
Helical ,
which ,
if of indefinite duration ,
must be reciprocating .
{
Compound motion }
consists of combinations of any of the simple motions .
[
1913 Webster ]
{
Center of motion }, {
Harmonic motion },
etc .
See under {
Center }, {
Harmonic },
etc .
{
Motion block } (
Steam Engine ),
a crosshead .
{
Perpetual motion } (
Mech .),
an incessant motion conceived to be attainable by a machine supplying its own motive forces independently of any action from without .
According to the law of conservation of energy ,
such perpetual motion is impossible ,
and no device has yet been built that is capable of perpetual motion .
[
1913 Webster PJC ]
Syn :
See {
Movement }.
[
1913 Webster ]
Symbol \
Sym "
bol \ (
s [
i ^]
m "
b [
o ^]
l ),
n . [
L .
symbolus ,
symbolum ,
Gr .
sy `
mbolon a sign by which one knows or infers a thing ,
from symba `
llein to throw or put together ,
to compare ;
sy `
n with ba `
llein to throw :
cf .
F .
symbole .
Cf . {
Emblem }, {
Parable }.]
1 .
A visible sign or representation of an idea ;
anything which suggests an idea or quality ,
or another thing ,
as by resemblance or by convention ;
an emblem ;
a representation ;
a type ;
a figure ;
as ,
the lion is the symbol of courage ;
the lamb is the symbol of meekness or patience .
[
1913 Webster ]
A symbol is a sign included in the idea which it represents ,
e .
g .,
an actual part chosen to represent the whole ,
or a lower form or species used as the representative of a higher in the same kind .
--
Coleridge .
[
1913 Webster ]
2 . (
Math .)
Any character used to represent a quantity ,
an operation ,
a relation ,
or an abbreviation .
[
1913 Webster ]
Note :
In crystallography ,
the symbol of a plane is the numerical expression which defines its position relatively to the assumed axes .
[
1913 Webster ]
3 . (
Theol .)
An abstract or compendium of faith or doctrine ;
a creed ,
or a summary of the articles of religion .
[
1913 Webster ]
4 . [
Gr . ?
contributions .]
That which is thrown into a common fund ;
hence ,
an appointed or accustomed duty . [
Obs .]
[
1913 Webster ]
They do their work in the days of peace . . .
and come to pay their symbol in a war or in a plague .
--
Jer .
Taylor .
[
1913 Webster ]
5 .
Share ;
allotment . [
Obs .]
[
1913 Webster ]
The persons who are to be judged . . .
shall all appear to receive their symbol . --
Jer .
Taylor .
[
1913 Webster ]
6 . (
Chem .)
An abbreviation standing for the name of an element and consisting of the initial letter of the Latin or New Latin name ,
or sometimes of the initial letter with a following one ;
as , {
C }
for carbon , {
Na }
for sodium (
Natrium ), {
Fe }
for iron (
Ferrum ), {
Sn }
for tin (
Stannum ),
{
Sb }
for antimony (
Stibium ),
etc .
See the list of names and symbols under {
Element }.
[
1913 Webster ]
Note :
In pure and organic chemistry there are symbols not only for the elements ,
but also for their grouping in formulas ,
radicals ,
or residues ,
as evidenced by their composition ,
reactions ,
synthesis ,
etc .
See the diagram of {
Benzene nucleus },
under {
Benzene }.
[
1913 Webster ]
Syn :
Emblem ;
figure ;
type .
See {
Emblem }.
[
1913 Webster ]
higher programming language \
higher programming language \
n .
(
Computers )
A computer programming language with an instruction set allowing one instruction to code for several assembly language instructions .
Note :
The aggregation of several assembly -
language instructions into one instruction allows much greater efficiency in writing computer programs .
Most programs are now written in some higher programming language ,
such as {
BASIC }, {
FORTRAN }, {
COBOL }, {
C }, {
C },
{
PROLOG },
or {
JAVA }.
[
PJC ]
C \
C \ (
s [=
e ])
1 .
C is the third letter of the English alphabet .
It is from the Latin letter C ,
which in old Latin represented the sounds of k ,
and g (
in go );
its original value being the latter .
In Anglo -
Saxon words ,
or Old English before the Norman Conquest ,
it always has the sound of k .
The Latin C was the same letter as the Greek [
Gamma ], [
gamma ],
and came from the Greek alphabet .
The Greeks got it from the Ph [
oe ]
nicians .
The English name of C is from the Latin name ce ,
and was derived ,
probably ,
through the French .
Etymologically C is related to g ,
h ,
k ,
q ,
s (
and other sibilant sounds ).
Examples of these relations are in L .
acutus ,
E .
acute ,
ague ;
E .
acrid ,
eager ,
vinegar ;
L .
cornu ,
E .
horn ;
E .
cat ,
kitten ;
E .
coy ,
quiet ;
L .
circare ,
OF .
cerchier ,
E .
search .
[
1913 Webster ]
Note :
See Guide to Pronunciation , [
sect ][
sect ]
221 -
228 .
[
1913 Webster ]
2 . (
Mus .)
(
a )
The keynote of the normal or "
natural "
scale ,
which has neither flats nor sharps in its signature ;
also ,
the third note of the relative minor scale of the same .
(
b )
C after the clef is the mark of common time ,
in which each measure is a semibreve (
four fourths or crotchets );
for alla breve time it is written ?.
(
c )
The "
C clef ,"
a modification of the letter C ,
placed on any line of the staff ,
shows that line to be middle C .
[
1913 Webster ]
3 .
As a numeral ,
C stands for Latin centum or 100 ,
CC for 200 ,
etc .
[
1913 Webster ]
{
C spring },
a spring in the form of the letter C .
[
1913 Webster ]
A programming language designed by {Dennis Ritchie }
at {AT &T} {Bell Labs} ca. 1972 for systems programming on the
{PDP-11} and immediately used to reimplement {Unix}.
It was called "C" because many features derived from an
earlier compiler named "{B}". In fact, C was briefly named
"NB". B was itself strongly influenced by {BCPL}. Before
{Bjarne Stroustrup} settled the question by designing {C++},
there was a humorous debate over whether C's successor should
be named "D" or "P" (following B and C in "BCPL").
C is terse, low-level and permissive. It has a {macro
preprocessor}, {cpp}.
Partly due to its distribution with {Unix}, C became immensely
popular outside {Bell Labs} after about 1980 and is now the
dominant language in systems and {microcomputer} applications
programming. It has grown popular due to its simplicity,
efficiency, and flexibility. C programs are often easily
adapted to new environments.
C is often described, with a mixture of fondness and disdain,
as "a language that combines all the elegance and power of
{assembly language} with all the readability and
maintainability of assembly language".
Ritchie's original C, known as {K&R C} after Kernighan and
Ritchie's book, has been {standard}ised (and simultaneously
modified) as {ANSI C}.
See also {ACCU}, {ae}, {c68}, {c386}, {C-Interp}, {cxref},
{dbx}, {dsp56k-gcc}, {dsp56165-gcc}, {gc}, {GCT}, {GNU C},
{GNU superoptimiser}, {Harvest C}, {malloc}, {mpl},
{Pthreads}, {ups}.
[{Jargon File}]
(1996-06-01)
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