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
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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
Reduction - definition of reduction by The Free Dictionary reduction 1 The reverse of oxidation 2 A surgical method of restoring an original relationship, for example by manipulating bones or hernias back into the original position
Reduction Definition Meaning | Britannica Dictionary REDUCTION meaning: 1 : the act of making something smaller in size, amount, number, etc the act of reducing something; 2 : an amount by which something is reduced
Reduction - Definition, Meaning Synonyms | Vocabulary. com Reduction is the act of cutting back or making smaller, like the reduction of a school budget that makes it necessary to eliminate art and music programs
REDUCTION definition and meaning | Collins English Dictionary Reduction is the act of making something smaller in size or amount, or less in degree a new strategic arms reduction agreement
Reduction Definition Meaning | YourDictionary The act or process of reducing A reducing or being reduced The amount by which anything is reduced A sauce that has been thickened or concentrated by boiling From Middle English reduccion, from Old French reducion, from Latin reductio As prepared by the reduction of the oxide it is a grey powder
What does Reduction mean? - Definitions. net Reduction is a process or reaction in which a substance gains electrons, or the oxidation state of an element in it decreases
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