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- Rage on 29
- AT 30
- toward 293
- heedless 3
- tool 827
- Obligation 208
- repayment 380
- blustery 102
- conform 257
- booster 176
- balls-up 96
- drive a hard bargain 40
- contrition 54
- unalloyed 41
- arouse 365
- Rage 143
- expect 280
- mighty 134
- asylum 303
- Fill 187
- powerful 396
- Truancy 19
- greasy 99
- bona fide 92
- bitterness 77
- good-looker 36
- pool 462
- Grinding 49
- rep 64
- dormant 142
- miler 1
- gone 73
- flight 233
- anyhow 294
- scientist 364
- compliant 69
- adrift 120
- disbelief 309
- sauce 335
- inventor 407
- counterclockwise 68
- Story 120
- confectioner 127
- Fathom 61
- obverse 39
- balloon 344
- auto 296
- insolvent 34
- Monetary 132
- Mitigate 73
- sponge 406
- hand something ↔ out 322
- solidarity 172
- life-affirming 5
- honey 374
- alpaca 83
- approximately 464
- civil 388
- deprive of 72
- Auction 47
- Workshop 106
- on the road 100
- motu 3
- clutch 217
- chatbot 3
- enervated 50
- Philosophy 51
- smack 139
- formica 67
- weighty 25
- homeward 5
- Shoddy 140
- flashback 185
- factor something ↔ in 55
- branded 110
- housebound 6
- actuary 83
- homewards 5
- consumer-society 48
- footie 93
- patch 450
- single-minded 55
- Report 191
- convincing 258
- batty 117
- personae 2
- achieve 440
- start up 191
- Flee 287
- Infuriating 163
- theoretically 133
- listener 441
- advice 351
- dolphinarium 48
- durst 4
- Statement 233
- fury 187
- word 360
- announce 434
- Sub 123
- harassment 159
- son 211
- creamy 520
- providential 141
- dial 419
- Car 110
- sailor 366
- forest 418
- alderney 2
- firetruck 38
- autarchies 2
- auspicious 292
- guard dog 63
- suggest 337
- in concert 38
- Sensitive 270
- grating 165
- Crude 122
- dates 36
- housings 2
- Conclude 262
- barbecue 104
- brain-teaser 47
- unclear 199
- voodoo 56
- headquarters 755
- publicize 198
- Password 50
- incompetence 5
- alliance 117
- carburettor 48
- bricklaying 72
- gherkin 89
- condone 279
- hodgepodge 1
- Disfigure 24
- affirmative 207
- dumb waiter 71
- inflationist 2
- flux 49
- Thankful 227
- turn off 41
- meantime 419
- grader 63
- Frequent 360
- ensure 405
- adapt 430
- cobwebbed 76
- sincere 369
- litter 322
- Freshman 39
- State 297
- summit 526
- caring 109
- Technology 412
- risk 685
- scare 397
- consumer confidence 53
- Fraudsters 64
- inspect 372
- cd-rw 44
- cold call 98
- revealing 263
- head-on 247
- Disapproval 120
- bank-balance 36
- freewheelingly 25
- stiff 398
- efflorescence 8
- fetch 341
- outside 56
- dandified 1
- individuality 3
- Peer 214
- version 373
- jailbreak 18
- aid 362
- day 251
- assure 395
- fa 50
- Equine 168
- Congestion 188
- ingenious 121
- blackshirt 51
- birth rate 82
- ethic 178
- endurance 161
- cooperation 243
- fundamental 604
- first hand 99
- Length 313
- opposed 188
- rotten 349
- signage 92
- object 412
- Custody 80
- STRIKE 101
- ky 5
- newcomer 222
- gold leaf 63
- flipping 120
- county 399
- phrasing 4
- Sumo 125
- ambiguous 255
- zest 129
- Adverbial 59
- groupie 76
- Know-how 230
- recruit 395
- rotary 312
- Hand 186
- normal 435
- bond 421
- dig 202
- devisee 30
- Preside 145
- h-bomb 42
- Intense 133
- soya 94
- awareness 324
- mould 392
- endear 76
- illustrate 543
- Forgive 240
- radish 337
- Bureau 147
- tub 390
- timetable 558
- swift 402
- clothe 297
- provoke 254
- breakneck 84
- tag 380
- insides 8
- missive 64
- participial 9
- counterclaim 52
- Tidy 68
- profession 372
- substance 444
- Scarcity 196
- View 349
- squeeze something ↔ out 370
- civil war 78
- diced 42
- optical 314
- Flavour 211
- flabby 139
- austere 109
- entourage 88
- blast 669
- Picture 181
- sufficiently 276
- Medic 136
- horace 64
- coagulate 133
- grafting 37
- Fry 63
- Tourist 185
- ciggy 76
- outmanoeuvre 43
- initiative 705
- Lie 202
- whatsoever 348
- chance 418
- Make out 28
- harness 418
- robe 376
- conserve 591
- umbrella 203
- defenseman 67
- Speed 146
- want 194
- cupboard 535
- Nab 84
- Since 175
- high 827
- consist of sb/sth 51
- coward 394
- footprint 177
- semi-skilled 316
- ghetto blaster 77
- Entertaining 214
- gesticulation 52
- lantern 403
- psychological 355
- upside 151
- uninhabitable 149
- owlish 5
- dallies 28
- adorability 49
- Belarus 11
- catchphrase 104
- nineteen 351
- graph 422
- golden-oldie 239
- green belt 72
- drop 717
- exception 2897
- attain 371
- Repartee 154
- talk 287
- duke 107
- mimicking 2
- free will 121
- Band-Aid 41
- motherfucker 165
- incomprehensible 214
- cruise 150
- Until 53
- tepid 192
- notify 368
- Note 72
- Must 99
- a blot on the landscape 60
- Coping 66
- double act 81
- Accomplishment 136
- curve 428
- businesswoman 87
- dioxin 66
- darkened 73
- unlike 370
- utility 345
- perverted 53
- solemn 415
- transistor 332
- righteousness 156
- die away 48
- advertising 104
- all-clear 88
- disclosure 193
- Decline 259
- Expected 146
- Regretful 134
- spy on somebody 61
- comprise 438
- unrefined 100
- Impress 140
- sink 769
- bedraggled 145
- fact 472
- moratorium 6
- brightly 52
- boilover 46
- arranged 65
- novelette 4
- culture shock 61
- sex tourism 22
- Including 140
- suspend 607
- dining 24
- weary 466
- unprincipled 45
- Complaint 250
- astonish 437
- Kayak 83
- brigade 82
- Recover 156
- the cream of 64
- amber alert 13
- concurrent 169
- worsen 204
- fire retardant 136
- cio 60
- Apartment 212
- bouillon 93
- exclusive 476
- settler 28
- inside 305
- drop-off 159
- fiancé 54
- entree 34
- hit the road 91
- Mammals found in Africa 81
- under 125
- pilgrim 106
- breathtaking 203
- presentation 167
- domestic violence 69
- Flight 142
- cover for somebody 59
- civilise 77
- horizon 407
- trace element 37
- overstretch 194
- chamber music 111
- Lively 89
- stream 397
- Supply 167
- systematic 448
- Compromise 75
- typist 368
- Pump 167
- Matter 223
- visible 372
- heaven 355
- Hype 232
- Crowd 176
- cornbread 40
- glaucoma 32
- mess 392
- concomitant 113
- soon 156
- curious 452
- dim 370
- Heroin 147
- dogwood 55
- dash 416
- cleanliness 84
- Teaching 55
- fire alarm 100
- Anatomy 66
- fuzzy 128
- handset 64
- pedant 32
- reinstate 161
- Maternal 32
- former 336
- asphyxiate 161
- blue book 90
- procedural law 26
- Assuming 91
- Curmudgeon 55
- cookie 50
- gecko 93
- unrivalled 135
- left-hand 47
- catalogue 441
- borehole 70
- peak 459
- liege 5
- PORTRAY 74
- counterpoint 102
- magical 256
- glamour 137
- volley 118
- scissors 412
- steakhouse 112
- go against the grain 51
- span 676
- revolution 542
- campiness 26
- Tropical 144
- blameless 270
- devil 359
- fibreboard 110
- Impression 206
- Chronological 31
- forever 303
- bowling 88
- Strikes 66
- Rest 491
- Consistent 106
- paunchiest 5
- agency 424
- chap 90
- cloud 278
- closure 81
- definitely 384
- Inevitable 295
- undersecretary 253
- Lengthy 71
- parasite 219
- Given 148
- tube 470
- fieriest 46
- logistics 251
- certainty 362
- conformation 82
- Legislate 52
- notice 413
- fieldwork 93
- frivolity 60
- tumor 99
- darlingly 106
- HARDSHIP 45
- cocktail dress 61
- dough 164
- hostage 108
- concert 408
- George Balanchine 65
- representing 22
- Biro 32
- static 379
- To disagree with someone or something 51
- entirety 71
- Scenery 186
- Spectator 91
- bullet 423
- purchase 469
- specify 422
- body building 68
- Parenthesis 146
- send off 195
- pint 370
- retard 232
- Adaptable 223
- repulsive 320
optics
op·tics /ˈɒptɪks $ ˈɑːp-/ noun [uncountableU]
the scientific study of light and the way we see 光学
n GRAMMAR: Singular or plural verb?
Optics is followed by a singular verb:
Optics is a branch of physics.
Examples from the Corpus
optics• Currently, there are more than 4,500 optics workers at Tucson's 136 optic firms.• Heat had intimate links with chemistry, and optics with astronomy.• All the substrates and optics for Mr Urvill's telescope were made here.• But fiber optics may change all that.• It was into bioengineering, lasers, fiber optics.• His optics are internationally recognised to be of the highest quality.• About 25 percent of these are New Economy companies, with only five involved directly in optics.• When we calculate the uncertainty in position, Ax, we use formulae for resolving power which are derived from wave optics.
op·tics noun →n GRAMMAR1
LDOCE Online
Chinese
Syllable
Corpus
optics
Scientific areas of study: aerodynamics, aeronautics, anatomy...
General words for appearances: optics, appearance, look...
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