subtraction 音标拼音: [səbtr'ækʃən]
n . 减去,减法
减去,减法
subtraction 减法
subtraction 减法
subtraction n 1 :
an arithmetic operation in which the difference between two numbers is calculated ; "
the subtraction of three from four leaves one "; "
four minus three equals one " [
synonym :
{
subtraction }, {
minus }]
2 :
the act of subtracting (
removing a part from the whole ); "
he complained about the subtraction of money from their paychecks " [
synonym : {
subtraction }, {
deduction }] [
ant :
{
addition }]
Compound \
Com "
pound \,
a . [
OE .
compouned ,
p .
p .
of compounen .
See {
Compound },
v .
t .]
Composed of two or more elements ,
ingredients ,
parts ;
produced by the union of several ingredients ,
parts ,
or things ;
composite ;
as ,
a compound word .
[
1913 Webster ]
Compound substances are made up of two or more simple substances . --
I .
Watts .
[
1913 Webster ]
{
Compound addition }, {
subtraction }, {
multiplication },
{
division } (
Arith .),
the addition ,
subtraction ,
etc .,
of compound numbers .
{
Compound crystal } (
Crystallog .),
a twin crystal ,
or one seeming to be made up of two or more crystals combined according to regular laws of composition .
{
Compound engine } (
Mech .),
a form of steam engine in which the steam that has been used in a high -
pressure cylinder is made to do further service in a larger low -
pressure cylinder ,
sometimes in several larger cylinders ,
successively .
{
Compound ether }. (
Chem .)
See under {
Ether }.
{
Compound flower } (
Bot .),
a flower head resembling a single flower ,
but really composed of several florets inclosed in a common calyxlike involucre ,
as the sunflower or dandelion .
{
Compound fraction }. (
Math .)
See {
Fraction }.
{
Compound fracture }.
See {
Fracture }.
{
Compound householder },
a householder who compounds or arranges with his landlord that his rates shall be included in his rents . [
Eng .]
{
Compound interest }.
See {
Interest }.
{
Compound larceny }. (
Law )
See {
Larceny }.
{
Compound leaf } (
Bot .),
a leaf having two or more separate blades or leaflets on a common leafstalk .
{
Compound microscope }.
See {
Microscope }.
{
Compound motion }.
See {
Motion }.
{
Compound number } (
Math .),
one constructed according to a varying scale of denomination ;
as ,
3 cwt .,
1 qr .,
5 lb .;
--
called also {
denominate number }.
{
Compound pier } (
Arch .),
a clustered column .
{
Compound quantity } (
Alg .),
a quantity composed of two or more simple quantities or terms ,
connected by the sign (
plus )
or - (
minus ).
Thus ,
a b -
c ,
and bb -
b ,
are compound quantities .
{
Compound radical }. (
Chem .)
See {
Radical }.
{
Compound ratio } (
Math .),
the product of two or more ratios ;
thus ab :
cd is a ratio compounded of the simple ratios a :
c and b :
d .
{
Compound rest } (
Mech .),
the tool carriage of an engine lathe .
{
Compound screw } (
Mech .),
a screw having on the same axis two or more screws with different pitch (
a differential screw ),
or running in different directions (
a right and left screw ).
{
Compound time } (
Mus .),
that in which two or more simple measures are combined in one ;
as ,
6 -
8 time is the joining of two measures of 3 -
8 time .
{
Compound word },
a word composed of two or more words ;
specifically ,
two or more words joined together by a hyphen .
[
1913 Webster ]
Subtraction \
Sub *
trac "
tion \,
n . [
L .
subtractio a drawing back .
See {
Subtract },
and cf . {
Substraction }.]
1 .
The act or operation of subtracting or taking away a part .
[
1913 Webster ]
2 . (
Math .)
The taking of a lesser number or quantity from a greater of the same kind or denomination ;
an operation for finding the difference between two numbers or quantities .
[
1913 Webster ]
3 . (
Law )
The withdrawing or withholding from a person of some right to which he is entitled by law .
[
1913 Webster ]
Note :
Thus the subtraction of conjugal rights is when either the husband or wife withdraws from the other and lives separate without sufficient reason .
The subtraction of a legacy is the withholding or detailing of it from the legatee by the executor .
In like manner ,
the withholding of any service ,
rent ,
duty ,
or custom ,
is a subtraction ,
for which the law gives a remedy .
--
Blackstone .
[
1913 Webster ]
88 Moby Thesaurus words for "
subtraction ":
abatement ,
abridgment ,
absence ,
abstraction ,
addition ,
alienation ,
alleviation ,
approximation ,
attenuation ,
awayness ,
blank ,
contraction ,
dampening ,
damping ,
decrease ,
decrement ,
decrescence ,
deduction ,
deflation ,
depreciation ,
depression ,
deprivation ,
detachment ,
differentiation ,
diminishment ,
diminution ,
disarticulation ,
disassociation ,
disconnectedness ,
disconnection ,
discontinuity ,
discount ,
disengagement ,
disjointing ,
disjunction ,
dislocation ,
disunion ,
division ,
divorce ,
divorcement ,
dying ,
dying off ,
equation ,
evolution ,
extenuation ,
extrapolation ,
fade -
out ,
incoherence ,
integration ,
interpolation ,
inversion ,
involution ,
isolation ,
lack ,
languishment ,
lessening ,
letup ,
lowering ,
luxation ,
miniaturization ,
mitigation ,
multiplication ,
neverness ,
nonexistence ,
nonoccurrence ,
nonpresence ,
notation ,
nowhereness ,
parting ,
partition ,
practice ,
proportion ,
rebate ,
reduction ,
relaxation ,
removal ,
sagging ,
scaling down ,
segmentation ,
separation ,
separatism ,
simplicity ,
subdivision ,
transformation ,
want ,
weakening ,
withdrawal ,
zoning
安装中文字典英文字典查询工具!
中文字典英文字典工具:
复制到剪贴板
英文字典中文字典相关资料:
Tracking Your Shipment or Packages | FedEx Where is my package? Enter your FedEx tracking number, track by reference, obtain proof of delivery, or TCN See FedEx Express, Ground, Freight, and Custom Critical tracking services
Package Tracking - Courier Tracking | FedEx Canada Where is my package? Find out by entering your tracking number, track by reference, obtain proof of delivery, or TCN
Tracking Your Shipment or Packages | FedEx United Kingdom Where is my package? Find out by entering your tracking number, track by reference, obtain proof of delivery, or TCN
Rastreo de tu envío | FedEx México ¿Dónde está mi paquete? Para buscar, ingresa tu número de rastreo, rastrea por referencia y obtén una prueba de entrega, o TCN
国際小包・貨物の追跡 | FedEx 日本 モバイル向けFedEx Trackingは非常に便利な追跡ツールです。 絶えず移動しているお客様にも更新情報が届くため、365日いつでも、どのような場所からでもご自身の貨物を完全に把握できます。 FedEx Trackingのすべての機能を片手ひとつでご利用いただけます。
國際包裹及貨運查詢 | FedEx 台灣 FedEx 國際快遞、大貨查詢讓您安枕無憂,對貨件狀態一目了然,協助您管理進、出口台灣的貨件。
Monitoraggio delle spedizioni | FedEx Italia Seguite con semplicità le vostre spedizioni con il monitoraggio FedEx Potrete vedere subito dove si trovano gestendole al meglio, sia in ingresso che in uscita dall'Italia
International Parcel Cargo Tracking | FedEx Australia With FedEx international tracking you'll know the delivery status of parcels and cargo so you can manage your shipments to and from Australia
Rastrear tu envío o tus paquetes | FedEx ¿Dónde está mi paquete? Para buscar, ingrese su número de rastreo, rastree por referencia y obtenga una prueba de entrega, o TCN
Tracking Your Shipment | FedEx India Where is my package? Find out by entering your tracking number, track by reference, obtain proof of delivery, or TCN