concentration 音标拼音: [k
, ɑnsəntr'eʃən]
n . 浓缩,集中,专注,专心,全神贯注
浓缩,集中,专注,专心,全神贯注
concentration 集中
concentration n 1 :
the strength of a solution ;
number of molecules of a substance in a given volume 2 :
the spatial property of being crowded together [
synonym :
{
concentration }, {
density }, {
denseness }, {
tightness },
{
compactness }] [
ant : {
dispersion }, {
distribution }]
3 :
strengthening the concentration (
as of a solute in a mixture )
by removing diluting material [
ant : {
dilution }]
4 :
increase in density 5 :
complete attention ;
intense mental effort [
synonym :
{
concentration }, {
engrossment }, {
absorption }, {
immersion }]
6 :
bringing together military forces 7 :
great and constant diligence and attention [
synonym : {
assiduity },
{
assiduousness }, {
concentration }]
Concentration \
Con `
cen *
tra "
tion \,
n . [
Cf .
F .
concentration .]
1 .
The act or process of concentrating ;
the process of becoming concentrated ,
or the state of being concentrated ;
concentration .
[
1913 Webster ]
Concentration of the lunar beams . --
Boyle .
[
1913 Webster ]
Intense concetration of thought . --
Sir J .
Herschel .
[
1913 Webster ]
2 .
The act or process of reducing the volume of a liquid ,
as by evaporation .
[
1913 Webster ]
The acid acquires a higher degree of concentration .
--
Knight .
[
1913 Webster ]
3 . (
Metal .)
The act or process of removing the dress of ore and of reducing the valuable part to smaller compass ,
as by currents of air or water .
[
1913 Webster ]
Dephlegmation \
De `
phleg *
ma "
tion \,
n . [
Cf .
F .
d ['
e ]
flegmation .]
(
Chem .)
The operation of separating water from spirits and acids ,
by evaporation or repeated distillation ; --
called also {
concentration },
especially when acids are the subject of it .
[
Obs .]
[
1913 Webster ]
241 Moby Thesaurus words for "
concentration ":
abbreviation ,
absorbed attention ,
absorption ,
abstraction ,
accelerando ,
acceleration ,
advertence ,
advertency ,
agglutination ,
aggravation ,
alertness ,
application ,
approach ,
ardor ,
assiduity ,
assiduousness ,
astriction ,
astringency ,
asymptote ,
attention ,
attention span ,
attentiveness ,
awareness ,
beefing -
up ,
blowing up ,
blowup ,
bottleneck ,
brown study ,
bulldog tenacity ,
care ,
centering ,
centralism ,
centralization ,
cervix ,
circumscription ,
close study ,
clumping ,
clustering ,
coarctation ,
collision course ,
compactedness ,
compaction ,
compression ,
compressure ,
concentralization ,
concentrate ,
concourse ,
concretion ,
concurrence ,
condensation ,
confluence ,
conflux ,
congress ,
consciousness ,
consideration ,
consolidation ,
constancy ,
constriction ,
constringency ,
contemplation ,
contemplativeness ,
contraction ,
contracture ,
convergence ,
converging ,
crossing ,
curtailment ,
debate ,
decoction ,
decrease ,
deep study ,
deep thought ,
deepening ,
deliberation ,
densification ,
diligence ,
diminuendo ,
distillate ,
distillation ,
dogged perseverance ,
doggedness ,
ear ,
earnestness ,
elixir ,
endurance ,
energeticalness ,
energy ,
engagement ,
engrossment ,
enhancement ,
enthrallment ,
essence ,
exacerbation ,
exaggeration ,
explosion ,
expression ,
extract ,
extraction ,
fervor ,
fidelity ,
firmness ,
firmness of mind ,
fixedness ,
flintiness ,
focalization ,
focus ,
focusing ,
funnel ,
hardening ,
heating -
up ,
heed ,
heedfulness ,
heightening ,
hourglass ,
hourglass figure ,
hub ,
immersion ,
indefatigability ,
industriousness ,
industry ,
inflexibility ,
information explosion ,
infusion ,
insistence ,
insistency ,
intensification ,
intentiveness ,
intentness ,
involvement ,
isthmus ,
knitting ,
laboriousness ,
loyalty ,
magnification ,
meditation ,
meeting ,
melancholy ,
mindfulness ,
monomania ,
musing ,
mutual approach ,
narrow place ,
narrowing ,
narrowing gap ,
neck ,
note ,
notice ,
observance ,
observation ,
obsession ,
obstinacy ,
patience ,
patience of Job ,
pensiveness ,
permanence ,
perseverance ,
persistence ,
persistency ,
pertinaciousness ,
pertinacity ,
pickup ,
plodding ,
plugging ,
pooling ,
population explosion ,
preoccupation ,
pressing ,
profound thought ,
puckering ,
purification ,
pursing ,
quintessence ,
radius ,
rapt attention ,
redoubling ,
reduction ,
refinement ,
reflectiveness ,
regard ,
regardfulness ,
reinforcement ,
relentlessness ,
remark ,
rendering ,
rendition ,
resolution ,
respect ,
reverie ,
rigidity ,
sedulity ,
sedulousness ,
settledness ,
shortening ,
single -
mindedness ,
singleness of purpose ,
slogging ,
soaking ,
solidification ,
speculativeness ,
speedup ,
spirit ,
spokes ,
squeezing ,
stability ,
stamina ,
staunchness ,
staying power ,
steadfastness ,
steadiness ,
steeliness ,
steeping ,
step -
up ,
stick -
to -
itiveness ,
stranglement ,
strangulation ,
strengthening ,
strenuousness ,
striction ,
stricture ,
stubbornness ,
studiousness ,
study ,
submersion ,
systole ,
tangent ,
tenaciousness ,
tenacity ,
thought ,
thoughtfulness ,
tightening ,
tirelessness ,
trueness ,
unremittingness ,
unsparingness ,
unswerving attention ,
unyieldingness ,
vehemence ,
wasp waist ,
wistfulness ,
wrinkling ,
zealousness
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CONCENTRATION Definition Meaning - Merriam-Webster Concentration - Wikipedia 2. 2: Concentration - Chemistry LibreTexts What Is a Concentration in Science: Definition Examples CONCENTRATION | English meaning - Cambridge Dictionary What Does Concentration Mean in Chemistry? - ThoughtCo CONCENTRATION Definition Meaning | Dictionary. com Molarity or Molar Concentration - Definition, Formula, Examples What is a concentration in chemistry? - California Learning Resource . . . Concentration Calculator