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:
Microsoft - Official Home Page At Microsoft our mission and values are to help people and businesses throughout the world realize their full potential
Office 365 login Collaborate for free with online versions of Microsoft Word, PowerPoint, Excel, and OneNote Save documents, spreadsheets, and presentations online, in OneDrive
Microsoft - Wikipedia Microsoft Corporation is an American multinational technology conglomerate headquartered in Redmond, Washington Founded in 1975, the company became influential in the rise of personal computers through software like Windows, and has since expanded to Internet services, cloud computing, artificial intelligence, video gaming, and other fields
Microsoft account | Sign In or Create Your Account Today – Microsoft Get access to free online versions of Outlook, Word, Excel, and PowerPoint
Microsoft, 1 Microsoft Way, Bldg 37, Redmond, WA 98052, US - MapQuest Get more information for Microsoft in Redmond, WA See reviews, map, get the address, and find directions
Sign in to your account Access and manage your Microsoft account, subscriptions, and settings all in one place
History of Microsoft - Wikipedia Microsoft is a multinational computer technology corporation Microsoft was founded on April 4, 1975, by Bill Gates and Paul Allen in Albuquerque, New Mexico [1] Its current best-selling products are the Microsoft Windows operating system; Microsoft Office, a suite of productivity software; Xbox, a line of entertainment of games, music, and video; Bing, a line of search engines; and Microsoft
Microsoft Support Microsoft Support is here to help you with Microsoft products Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more
Download Drivers Updates for Microsoft, Windows and more - Microsoft . . . The official Microsoft Download Center Featuring the latest software updates and drivers for Windows, Office, Xbox and more Operating systems include Windows, Mac, Linux, iOS, and Android
Experience the Power of AI with Windows 11 OS . . . - microsoft. com Experience the latest Microsoft Windows 11 features Learn how our latest Windows OS gives you more ways to work, play, and create