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Merriam-Webster's Advanced Learner's Dictionary
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最近搜尋:
gaslit
217
vanity
790
smiley
161
baking
179
gaelic
197
sicken
324
Toad
169
slight
848
flashy
264
hank
199
flight
387
tangly
94
lpn
169
fetish
211
aviator
191
hutzpa
82
bitmap
270
paving
186
plenty
739
mouthful
945
hijack
266
banish
329
sleepiest
71
jaunty
243
eighty
695
flambe
90
mutely
177
unisex
158
safely
608
Religion
262
annoy
408
typing
156
lunacy
172
Chase
357
mangle
241
chaise
154
mantel
181
minx
155
style
896
safety
781
phylum
270
iambus
81
nazism
168
fiscal
284
clique
278
impale
147
stable
974
faucet
281
skycap
152
fleshy
370
Department
389
raj
154
dishonesty
212
indoors
709
articulate
381
scrummage
108
arithmetic
773
bomb
853
hermitage
150
relations
104
measurable
693
Automobile
167
flee
778
grapefruit
190
quadrangle
238
heartening
129
bicoastal
195
pincushion
158
resultant
169
excusable
157
sniveling
106
stepfather
114
skinflint
166
seduction
240
repulsive
382
same
528
extreme
821
councilman
259
fraudulently
174
earnestly
198
equalizer
224
centralize
375
ampere
662
objectify
256
revitalize
362
impassable
206
pragmatism
194
merriment
217
piggyback
200
publicist
260
bricklayer
229
mosh
300
cantaloup
104
pleasantry
205
handicraft
244
telegraphy
195
Right
322
typically
328
treachery
330
singularly
108
ebullient
186
add up
236
subcompact
147
out of condition
89
jailbreak
192
unsettling
302
repertoire
289
unilateral
368
quadriceps
198
shovelful
152
impassive
285
ceaseless
307
profitable
715
X
216
Ass
207
inaccurate
266
neighbourhood
568
fractional
213
unarguable
140
Restriction
371
delighted
265
mint
329
geophysics
247
plough
765
advisable
771
Regarding
233
suggestion
395
Probable
272
lassitude
158
unhappily
139
pah
155
Fence
336
exquisite
223
amalgamate
246
WANT
27
teaching
854
underemployment
176
delayering
123
plummet
336
inculcate
213
spectacle
761
heuristic
187
Longevity
197
courtship
245
cantaloupe
305
thankless
158
Verge
320
faltering
133
fail-safe
191
upholstery
195
classmate
670
conduct
823
pointless
347
blockhead
213
Reno
91
pocketful
120
heaven
836
bathhouse
197
injustice
368
consensual
223
secretariat
168
underlying
319
fiberglass
232
fanciable
149
tyrannical
158
slingshot
181
biometrics
169
henchman
229
rockabilly
162
capitalize
308
flagstone
244
sequencing
99
assassinate
299
nauseating
180
voiceless
144
detachable
206
leviathan
148
dislocate
221
emphasize
763
frizziest
92
fricative
222
dormitory
711
elbow
768
countryman
228
landmarks
95
legitimate
381
apparently
321
Crime
322
prehistorian
114
panegyric
144
antagonize
239
inflatable
134
publicise
176
habit
794
Doctor
320
punishing
108
bunkhouse
190
humblebrag
114
geniality
152
emigration
340
antagonise
118
blithering
183
competitive
876
system
902
stargazing
156
biophysics
168
accretion
202
waterfall
715
bouldering
179
teenager
721
ballistic
215
scruple
352
complement
508
obstinate
256
ute
128
simulation
409
permanency
151
backbench
350
algorithm
384
promptness
183
imbecility
150
dumbstruck
270
statuary
145
iconography
163
schismatic
140
enlighten
261
uninstall
131
subeditor
177
plutocracy
221
sadly
639
fruitless
328
salutation
175
omniscient
291
unveiling
111
causality
200
brilliance
212
abstractly
151
governor
780
manifesto
207
amphibian
222
Departure
289
captivate
310
secularize
165
hurt
930
arbitrator
203
citronella
220
bittersweet
253
fornication
176
straighten
152
fisherman
749
ninny
183
fattening
194
hire
821
coalface
252
Empowerment
198
acupressure
219
uppercase
198
subatomic
131
unfairness
183
Sometimes
207
pacy
255
journey
801
synthetic
712
postulate
217
bedsore
306
supremacy
354
demoniacal
120
expectation
920
adversity
431
palpitate
176
vertebrate
164
Pane
101
confectionery
240
catholic
364
unladylike
123
nominally
110
trampoline
327
thirst
782
adjoining
251
friendship
284
brother
357
mainspring
160
terrestrial
264
corroborate
234
lightship
101
cavil
265
overreach
252
germinate
228
prototype
324
bacterial
256
lover
780
radioactivity
753
collusive
91
pedestrian
246
showplace
127
dude
244
coelacanth
180
expansive
192
expiration
196
regulate
858
Home
374
tambourine
156
perplexity
394
vivacious
204
authentic
350
breathing
272
Speak
303
shattering
128
mozambican
117
factitious
245
lippy
247
typist
735
dictaphone
248
archangel
184
amphibious
209
extrinsic
205
diaphanous
212
digitise
149
leadership
750
outcast
220
compensate
461
larcenous
167
subtitled
119
caliphate
166
unskilled
147
cochineal
173
symbiotic
212
routinely
248
roughneck
297
acceptance
734
compliance
270
cyberpunk
188
servility
136
simulated
126
figurative
231
naturalist
201
impatiens
121
custodial
180
ingrained
330
regarding
673
influence
926
syndicated
110
magnetize
200
extremity
339
franchisee
198
personable
232
happening
167
suborbital
130
tonne
294
lumpectomy
143
costumier
179
simpleton
209
consumer
757
formidable
332
stagecraft
138
suffering
355
turntable
174
complaint
815
gadolinium
167
leprechaun
172
None
194
headman
266
euphemism
357
functional
213
repudiate
304
pansexual
142
reluctance
364
invigilate
381
radicalism
285
lengthwise
133
Team
353
magnitude
369
discrepancy
417
eminently
217
rightsize
175
coat
939
ton
830
chief
765
subvention
177
tribalism
149
Leadership
363
gloved
155
bioethanol
129
diminishing
113
normative
158
govern
847
cheerful
749
flatbread
116
dispose
807
perishable
388
impoverish
341
buttermilk
208
sincerely
314
explainer
150
cheongsam
131
GAZE
140
perfidious
126
Snide
116
careerist
138
fledgling
192
meta
135
Raze
203
privatise
129
imbalance
270
epiglottis
164
complicated
712
FASHION
289
scepticism
96
retinue
237
credential
376
cambridge
171
hypnotise
106
mentality
299
kickstand
126
theatrical
361
huckster
154
see
577
engraved
125
depravity
316
formulate
336
manoeuvre
264
tablespoon
149
dauntless
262
europeanism
137
seductive
407
throwaway
235
hemophiliac
220
Non
189
unsightly
198
unremarked
133
declining
244
congenial
306
antiaircraft
203
pad
732
plod
229
quarter
372
Glow
277
Hey
247
beneficent
227
possess
694
fungi
174
shite
114
paracetamol
274
racetrack
149
plate
357
sax
190
Parrot
207
Deploy
294
liner
779
inset
268
bat
825
thing
555
workhorse
202
Oral
272
Grin
294
delirious
217
activity
793
Drab
67
Soak
208
Prep
193
jugular
308
Wiry
217
Earl
206
Hoax
330
Moan
319
Wary
247
evergreen
249
odd
763
statesmen
94
crackerjack
302
radiology
162
intonation
195
hobnobbing
84
pastiness
80
homograph
264
silk
427
reflexive
142
wv
156
loveliest
107
mistletoe
168
silicosis
120
guitarist
173
chronicle
343
divide
839
Red
222
awash
206
miniaturist
111
Articulately
42
intentions
100
resurgence
272
hickory
176
department store
170
Annually
168
widthways
130
limb
903
Footstep
116
pwr
125
content
798
fellowship
217
videodisc
171
TOEFL
IELTS
BNC: 8852
COCA: 7915
Merriam-Webster's Advanced Learner's Dictionary
catalyst
1 ENTRIES FOUND:
catalyst
(noun)
catalyst
/
ˈ
kætələst/
noun
plural
catalysts
catalyst
/
ˈ
kætələst/
noun
plural
catalysts
Learner's definition of CATALYST
[
count
]
1
technical
:
a substance that causes a chemical reaction to happen more quickly
催化剂
2
:
a person or event that quickly causes change or action
刺激因素
The bombing attack was the
catalyst
for war.
那次轰炸是战争的导火索。
She was proud to be a
catalyst
for reform in the government.
能够促使政府改革,她感到很骄傲。
👨🏻🏫 Mr. Ng 韋氏詞典 📚
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