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:
Subtraction - Math is Fun Subtraction is taking one number away from another This can be written: 5 - 2 = 3 You get good at subtraction with practice
Subtraction - Wikipedia Subtraction (which is signified by the minus sign, –) is one of the four arithmetic operations along with addition, multiplication and division Subtraction is an operation that represents removal of objects from a collection [1]
Subtraction: Definition, Formula, Examples - GeeksforGeeks Subtraction in mathematics is an operation that is used to find the difference between two numbers This means the subtraction operation tells us how much a quantity is smaller than another quantity
What is Subtract? Definition, Method, Examples, Facts To subtract in math simply refers to taking away one number or an amount from another Let's learn about subtraction, important terms, fun facts and more
Multi-digit subtraction worksheets - K5 Learning These subtraction worksheets range from simple subtraction of 2-digit numbers without regrouping to subtraction of large numbers in columns with multiple regroupings
7 Ways to Subtract - wikiHow Subtraction is simply taking one number away from the other It's pretty straightforward when you're subtracting one whole number from another, but subtraction can get a bit more complicated when you're working with fractions or decimals
Subtraction - Definition, Examples | Subtraction on Number Line Subtraction is the process of taking away a number from another It is a primary arithmetic operation that is denoted by a subtraction symbol (-) and is the method of calculating the difference between two numbers
Subtraction Worksheets - Math-Drills Subtraction worksheets including subtraction facts and subtraction questions with larger numbers
Subtraction in Math: Meaning, Symbol, Parts 6 Common Types Learn what subtraction is, its definition, symbol, parts, and 10 powerful types, including fraction, time, and binary subtraction Understand real-life uses
What is Subtraction? – Math Glossary | MathWithFun Subtraction is what we use when we take something away or compare how much is left It's the math behind sharing, solving puzzles, and knowing how many cookies are left in the jar!