reduction 音标拼音: [rəd'ʌkʃən] [rid'ʌkʃən]
n . 缩小,减少,降低;简化,简约;还原,复原
缩小,减少,降低;简化,简约;还原,复原
reduction 缩减 归约
reduction n 1 :
the act of decreasing or reducing something [
synonym :
{
decrease }, {
diminution }, {
reduction }, {
step -
down }] [
ant :
{
increase }, {
step -
up }]
2 :
any process in which electrons are added to an atom or ion (
as by removing oxygen or adding hydrogen );
always occurs accompanied by oxidation of the reducing agent [
synonym :
{
reduction }, {
reducing }]
3 :
the act of reducing complexity [
synonym : {
reduction },
{
simplification }]
Reduction \
Re *
duc "
tion \ (
r [-
e ]*
d [
u ^]
k "
sh [
u ^]
n ),
n . [
F .
r ['
e ]
duction ,
L .
reductio .
See {
Reduce }.]
1 .
The act of reducing ,
or state of being reduced ;
conversion to a given state or condition ;
diminution ;
conquest ;
as ,
the reduction of a body to powder ;
the reduction of things to order ;
the reduction of the expenses of government ;
the reduction of a rebellious province .
[
1913 Webster ]
2 . (
Arith . &
Alg .)
The act or process of reducing .
See {
Reduce },
v .
t .,
6 .
and {
To reduce an equation }, {
To reduce an expression },
under {
Reduce },
v .
t .
[
1913 Webster ]
3 . (
Astron .)
(
a )
The correction of observations for known errors of instruments ,
etc .
(
b )
The preparation of the facts and measurements of observations in order to deduce a general result .
[
1913 Webster ]
4 .
The process of making a copy of something ,
as a figure ,
design ,
or draught ,
on a smaller scale ,
preserving the proper proportions . --
Fairholt .
[
1913 Webster ]
5 . (
Logic )
The bringing of a syllogism in one of the so -
called imperfect modes into a mode in the first figure .
[
1913 Webster ]
6 . (
Chem . &
Metal .)
The act ,
process ,
or result of reducing [
7 ];
as ,
the reduction of iron from its ores ;
the reduction of an aldehyde into an alcohol .
[
1913 Webster ]
7 . (
Med .)
The operation of restoring a dislocated or fractured part to its former place .
[
1913 Webster ]
{
Reduction ascending } (
Arith .),
the operation of changing numbers of a lower into others of a higher denomination ,
as cents to dollars .
{
Reduction descending } (
Arith .),
the operation of changing numbers of a higher into others of a lower denomination ,
as dollars to cents .
[
1913 Webster ]
Syn :
Diminution ;
decrease ;
abatement ;
curtailment ;
subjugation ;
conquest ;
subjection .
[
1913 Webster ]
290 Moby Thesaurus words for "
reduction ":
abasement ,
abatement ,
abbreviation ,
about -
face ,
abridgment ,
abstract ,
acetification ,
acidification ,
acidulation ,
addition ,
agio ,
alchemy ,
alkalization ,
allayment ,
alleviation ,
allowance ,
analgesia ,
anesthesia ,
anesthetizing ,
apocope ,
appeasement ,
approximation ,
assimilation ,
assuagement ,
assumption ,
astriction ,
astringency ,
attenuation ,
attrition ,
bank discount ,
becoming ,
blunting ,
bottleneck ,
break ,
breakage ,
breaking ,
bump ,
bust ,
calming ,
carbonation ,
cash discount ,
casting down ,
catalysis ,
cervix ,
chain discount ,
change ,
change -
over ,
charge -
off ,
cheapening ,
chemicalization ,
circumscription ,
coarctation ,
compactedness ,
compaction ,
compression ,
compressure ,
concavity ,
concentration ,
concession ,
condensation ,
conquering ,
consolidation ,
conspectus ,
constriction ,
constringency ,
contraction ,
contracture ,
conversion ,
crushing ,
curtailment ,
cut ,
cutting ,
dampening ,
damping ,
de -
escalation ,
deadening ,
debasement ,
debilitation ,
decline ,
decrease ,
decrement ,
decrescence ,
deduction ,
deflation ,
degradation ,
degrading ,
demotion ,
demulsion ,
depletion ,
depluming ,
depreciation ,
depression ,
derogation ,
descent ,
detraction ,
detrusion ,
devaluation ,
devitalization ,
differentiation ,
dilution ,
diminishment ,
diminuendo ,
diminution ,
dip ,
discount ,
disgrading ,
disparagement ,
displuming ,
dive ,
division ,
domestication ,
downgrading ,
drawback ,
ducking ,
dulcification ,
dulling ,
dying ,
dying off ,
ease ,
easement ,
easing ,
effemination ,
electrolysis ,
elision ,
ellipsis ,
enervation ,
enfeeblement ,
epitome ,
equation ,
evisceration ,
evolution ,
exhaustion ,
extenuation ,
extraction ,
extrapolation ,
fade -
out ,
falling -
off ,
fatigue ,
ferment ,
fermentation ,
flip -
flop ,
foreshortening ,
growth ,
hauling down ,
hollowness ,
hourglass ,
hourglass figure ,
humbling ,
humiliation ,
hushing ,
hydrogenation ,
impairment ,
inanition ,
integration ,
interpolation ,
inversion ,
involution ,
isomerism ,
isthmus ,
kickback ,
knitting ,
languishment ,
lapse ,
leniency ,
lessening ,
letdown ,
letup ,
lightening ,
loosening ,
lowering ,
lulling ,
markdown ,
metamerism ,
metamerization ,
miniaturization ,
mitigation ,
modulation ,
mollification ,
multiplication ,
narrow place ,
narrowing ,
naturalization ,
neck ,
nitration ,
nose dive ,
notation ,
numbing ,
oxidation ,
oxidization ,
pacification ,
palliation ,
passage ,
penalty ,
penalty clause ,
percentage ,
phosphatization ,
plummet ,
plummeting ,
plunge ,
polymerism ,
polymerization ,
position isomerism ,
practice ,
precis ,
premium ,
price cut ,
price fall ,
price reduction ,
price -
cut ,
progress ,
proportion ,
puckering ,
pursing ,
quelling ,
quietening ,
quieting ,
re -
formation ,
rebate ,
rebatement ,
recap ,
recapitulation ,
reconversion ,
refund ,
relaxation ,
relief ,
remedy ,
remission ,
resolution ,
retraction ,
retrenchment ,
reversal ,
rollback ,
sag ,
sagging ,
salvage ,
salving ,
saturization ,
scaling down ,
setoff ,
shift ,
shortening ,
shrinkage ,
simplicity ,
sinking ,
slackening ,
slash ,
slump ,
softening ,
solidification ,
soothing ,
stranglement ,
strangulation ,
striction ,
stricture ,
stripping of rank ,
subdual ,
subduement ,
submergence ,
subtraction ,
summary ,
summation ,
suppression ,
switch ,
switch -
over ,
syncope ,
synopsis ,
systole ,
taming ,
tare ,
telescoping ,
tempering ,
thinning ,
thrusting under ,
time discount ,
trade discount ,
tranquilization ,
transformation ,
transit ,
transition ,
treading down ,
tret ,
truncation ,
turning into ,
underselling ,
volte -
face ,
wasp waist ,
weakening ,
working ,
wrinkling ,
write -
off
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:
Percentage Decrease Calculator What is an example of percentage decrease? The percentage decrease calculator determines the change from one amount to another in terms of percent decrease It is important to understand how to calculate the percent decrease manually using the percent decrease formula The content below will explain these concepts in further detail
REDUCTION Definition Meaning - Merriam-Webster The meaning of REDUCTION is the act or process of reducing : the state of being reduced How to use reduction in a sentence
Reduction - Wikipedia Reduction, reduced, or reduce may refer to: Reduction (chemistry), part of a reduction-oxidation (redox) reaction in which atoms have their oxidation state changed
REDUCTION | English meaning - Cambridge Dictionary REDUCTION definition: 1 the act of making something, or of something becoming, smaller in size, amount, degree… Learn more
Percentage Reduction Calculator Importance of Percentage Reduction Calculation Details: This calculation is essential for analyzing cost savings, performance improvements, efficiency gains, and comparing changes over time
Definitions of Oxidation and Reduction - Chemistry LibreTexts This page discusses the various definitions of oxidation and reduction (redox) in terms of the transfer of oxygen, hydrogen, and electrons It also explains the terms oxidizing agent and reducing agent
reduction noun - Definition, pictures, pronunciation and usage notes . . . Definition of reduction noun from the Oxford Advanced Learner's Dictionary [countable, uncountable] an act of making something less or smaller; the state of being made less or smaller Some staff received wage rises, while others experienced a reduction
REDUCTION definition in American English | Collins English Dictionary When there is a reduction in something, it is made smaller a future reduction in interest rates
Reduction Definition and Examples in Chemistry - ThoughtCo Reduction is a chemical reaction where a substance gains electrons and decreases its oxidation number Examples of reduction include reactions between zinc and hydrogen ions, and copper oxide with magnesium
Oxidation and Reduction: Fundamentals of Redox Reactions This tutorial covers oxidation-reduction (redox) reactions in electrochemistry: learn to write simple half reactions and to recognize the oxidizing agent and reducing agent