fraction 音标拼音: [fr'ækʃən]
n . 碎片,少量,一小部分
碎片,少量,一小部分
fraction 分数
fraction 分数
fraction n 1 :
a component of a mixture that has been separated by a fractional process 2 :
a small part or item forming a piece of a whole 3 :
the quotient of two rational numbers v 1 :
perform a division ; "
Can you divide 49 by seven ?" [
synonym :
{
divide }, {
fraction }] [
ant : {
multiply }]
Fraction \
Frac "
tion \,
v .
t . (
Chem .)
To separate by means of ,
or to subject to ,
fractional distillation or crystallization ;
to fractionate ; --
frequently used with out ;
as ,
to fraction out a certain grade of oil from pretroleum .
[
1913 Webster ]
Fraction \
Frac "
tion \,
n . [
F .
fraction ,
L .
fractio a breaking ,
fr .
frangere ,
fractum ,
to break .
See {
Break }.]
1 .
The act of breaking ,
or state of being broken ,
especially by violence . [
Obs .]
[
1913 Webster ]
Neither can the natural body of Christ be subject to any fraction or breaking up . --
Foxe .
[
1913 Webster ]
2 .
A portion ;
a fragment .
[
1913 Webster ]
Some niggard fractions of an hour . --
Tennyson .
[
1913 Webster ]
3 . (
Arith .
or Alg .)
One or more aliquot parts of a unit or whole number ;
an expression for a definite portion of a unit or magnitude .
[
1913 Webster ]
{
Common fraction },
or {
Vulgar fraction },
a fraction in which the number of equal parts into which the integer is supposed to be divided is indicated by figures or letters ,
called the denominator ,
written below a line ,
over which is the numerator ,
indicating the number of these parts included in the fraction ;
as 1 /
2 ,
one half ,
2 /
5 ,
two fifths .
{
Complex fraction },
a fraction having a fraction or mixed number in the numerator or denominator ,
or in both .
--
Davies &
Peck .
{
Compound fraction },
a fraction of a fraction ;
two or more fractions connected by of .
{
Continued fraction }, {
Decimal fraction }, {
Partial fraction },
etc .
See under {
Continued }, {
Decimal }, {
Partial },
etc .
{
Improper fraction },
a fraction in which the numerator is greater than the denominator .
{
Proper fraction },
a fraction in which the numerator is less than the denominator .
[
1913 Webster ]
Angle \
An "
gle \ ([
a ^][
ng ]"
g '
l ),
n . [
F .
angle ,
L .
angulus angle ,
corner ;
akin to uncus hook ,
Gr . '
agky `
los bent ,
crooked ,
angular , '
a `
gkos a bend or hollow ,
AS .
angel hook ,
fish -
hook ,
G .
angel ,
and F .
anchor .]
1 .
The inclosed space near the point where two lines meet ;
a corner ;
a nook .
[
1913 Webster ]
Into the utmost angle of the world . --
Spenser .
[
1913 Webster ]
To search the tenderest angles of the heart .
--
Milton .
[
1913 Webster ]
2 . (
Geom .)
(
a )
The figure made by .
two lines which meet .
(
b )
The difference of direction of two lines .
In the lines meet ,
the point of meeting is the vertex of the angle .
[
1913 Webster ]
3 .
A projecting or sharp corner ;
an angular fragment .
[
1913 Webster ]
Though but an angle reached him of the stone .
--
Dryden .
[
1913 Webster ]
4 . (
Astrol .)
A name given to four of the twelve astrological "
houses ." [
Obs .] --
Chaucer .
[
1913 Webster ]
5 . [
AS .
angel .]
A fishhook ;
tackle for catching fish ,
consisting of a line ,
hook ,
and bait ,
with or without a rod .
[
1913 Webster ]
Give me mine angle :
we '
ll to the river there .
--
Shak .
[
1913 Webster ]
A fisher next his trembling angle bears . --
Pope .
[
1913 Webster ]
{
Acute angle },
one less than a right angle ,
or less than 90 [
deg ].
{
Adjacent }
or {
Contiguous angles },
such as have one leg common to both angles .
{
Alternate angles }.
See {
Alternate }.
{
Angle bar }.
(
a ) (
Carp .)
An upright bar at the angle where two faces of a polygonal or bay window meet . --
Knight .
(
b ) (
Mach .)
Same as {
Angle iron }.
{
Angle bead } (
Arch .),
a bead worked on or fixed to the angle of any architectural work ,
esp .
for protecting an angle of a wall .
{
Angle brace }, {
Angle tie } (
Carp .),
a brace across an interior angle of a wooden frame ,
forming the hypothenuse and securing the two side pieces together . --
Knight .
{
Angle iron } (
Mach .),
a rolled bar or plate of iron having one or more angles ,
used for forming the corners ,
or connecting or sustaining the sides of an iron structure to which it is riveted .
{
Angle leaf } (
Arch .),
a detail in the form of a leaf ,
more or less conventionalized ,
used to decorate and sometimes to strengthen an angle .
{
Angle meter },
an instrument for measuring angles ,
esp .
for ascertaining the dip of strata .
{
Angle shaft } (
Arch .),
an enriched angle bead ,
often having a capital or base ,
or both .
{
Curvilineal angle },
one formed by two curved lines .
{
External angles },
angles formed by the sides of any right -
lined figure ,
when the sides are produced or lengthened .
{
Facial angle }.
See under {
Facial }.
{
Internal angles },
those which are within any right -
lined figure .
{
Mixtilineal angle },
one formed by a right line with a curved line .
{
Oblique angle },
one acute or obtuse ,
in opposition to a right angle .
{
Obtuse angle },
one greater than a right angle ,
or more than 90 [
deg ].
{
Optic angle }.
See under {
Optic }.
{
Rectilineal }
or {
Right -
lined angle },
one formed by two right lines .
{
Right angle },
one formed by a right line falling on another perpendicularly ,
or an angle of 90 [
deg ] (
measured by a quarter circle ).
{
Solid angle },
the figure formed by the meeting of three or more plane angles at one point .
{
Spherical angle },
one made by the meeting of two arcs of great circles ,
which mutually cut one another on the surface of a globe or sphere .
{
Visual angle },
the angle formed by two rays of light ,
or two straight lines drawn from the extreme points of an object to the center of the eye .
{
For Angles of commutation }, {
draught }, {
incidence },
{
reflection }, {
refraction }, {
position }, {
repose }, {
fraction },
see {
Commutation }, {
Draught }, {
Incidence }, {
Reflection },
{
Refraction },
etc .
[
1913 Webster ]
71 Moby Thesaurus words for "
fraction ":
Gaussian integer ,
adjunct ,
algebraic number ,
arithmetical proportion ,
cardinal ,
cardinal number ,
complex number ,
component ,
contingent ,
continued fraction ,
cross section ,
defective number ,
detachment ,
detail ,
division ,
dole ,
even number ,
finite number ,
geometric ratio ,
harmonic proportion ,
imaginary number ,
impair ,
improper fraction ,
infinity ,
installment ,
integer ,
irrational ,
irrational number ,
item ,
mixed number ,
ordinal ,
pair ,
parcel ,
part ,
particular ,
percent ,
percentage ,
polygonal number ,
portion ,
prime number ,
proportion ,
pure imaginary ,
quadrant ,
quarter ,
quota ,
quotum ,
random sample ,
rate ,
ratio ,
rational ,
rational number ,
real ,
real number ,
rectangular number ,
remainder ,
round number ,
rule of three ,
sample ,
sampling ,
section ,
sector ,
segment ,
serial number ,
share ,
subdivision ,
subgroup ,
subspecies ,
surd ,
transcendental number ,
transfinite number ,
whole number FRACTION .
A part of any thing broken .
A combination of numbers ,
in arithmetic and algebra ,
representing one or more parts of a unit or integer .
Thus ,
four -
fifths is a fraction ,
formed by dividing a unit into -
five equal parts ,
and taking one part four times .
In law ,
the term fraction is usually applied to the division of a day .
2 .
In general ,
there are no fractions in days .
Co .
Litt .
225 2 Salk .
625 ;
2 P .
A .
Browne ,
18 ;
II Mass .
204 .
But in some cases a fraction will be taken into the account ,
in order to secure a party his rights ;
3 Chit .
Pr .
111 ;
8 Ves .
80 4 Campb .
R .
197 ;
2 B . &
Ald .
586 ;
Savig .
Dr .
Rom .
Sec .
182 ;
Rob .
Dig .
of Engl .
Statutes in force in Pennsylvania ,
431 -
2 and when it is required by a special law .
Vide article Date .
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