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- pitted 194
- Notch 107
- biliously 46
- security 516
- TREMBLE 128
- limber 68
- wallet 493
- drogue 54
- knit 468
- alarmist 83
- platoon 63
- troubles 38
- range 517
- present 270
- Satiety 89
- stunning 291
- sortie 49
- moiety 54
- verbalist 52
- likewise 440
- resplendent 110
- day school 91
- budgetary 85
- Quick 243
- Maritime 71
- barnstorm 112
- Moniker 38
- footle 79
- Difference 207
- cityward 66
- board 579
- southern 476
- Appointment 228
- beatific 116
- anglicizing 49
- song 121
- adversity 283
- Plausible 282
- ranked 32
- resulting 44
- scrape through 42
- Describe 219
- moth 135
- Structural 44
- decoupage 43
- flutter 436
- waistcoat 71
- televangelist 68
- heterodox 188
- folding 106
- Cloth 156
- Brandish 5
- augur 109
- spectacle 506
- suborbital 51
- Pitch 108
- albino 96
- overgrowth 49
- renowned 162
- flanders 64
- piety 83
- Shop 144
- peacekeeping 73
- Coordination 28
- swedish 48
- Put forward 51
- disputation 89
- Precision 117
- develop 272
- STAFF 109
- doeth 43
- not have a hair out of place 73
- joint 525
- gary 60
- next to 74
- Grisly 100
- gun down 98
- turbanned 31
- Envisage 147
- Costume 178
- employee 512
- agoraphobia 99
- justify 542
- Development 213
- unpopular 72
- stay 168
- Profuse 52
- armorer 121
- unspent 50
- priest 510
- arrowroot 104
- chivy 99
- gf 63
- balls 57
- asexual 126
- tap water 99
- beauty spot 91
- settler 89
- Fair Isle 74
- sandman 55
- kindergartner 70
- Target 254
- gypsies 70
- made to order 46
- war 565
- Algorithm 123
- Blonde 112
- authorize 301
- unalterably 44
- alcopop 61
- Cuisine 128
- topiary 77
- cooperative 235
- blowfly 81
- scoreline 52
- unexceptionable 63
- seasoning 104
- Grocery 146
- lugubrious 58
- voltmeter 64
- mastiff 64
- plaza 69
- buffer 142
- typically 195
- project 548
- yob 46
- scanty 222
- freakier 45
- overemphasis 91
- nothing 281
- retire 541
- insensate 92
- metallurgist 50
- rotgut 46
- hear of 72
- Bushman 109
- gratify 197
- put 305
- Catalogue 39
- biannual 117
- shovel 88
- plutocracy 73
- Vary 159
- locate 552
- sexual orientation 71
- probe 345
- First Lady 121
- curvaceous 124
- Transit 192
- whiff 84
- scuffling 42
- snap 602
- parallel 498
- electoral 111
- marina 61
- candy 532
- express 601
- ssn 53
- Draft 238
- Absolutely 182
- asset stripping 74
- fjord 121
- votive 58
- grandma 120
- colonization 184
- all-inclusive 164
- dp 100
- prepack 56
- downscale 77
- Machiavellian 113
- roentgenium 46
- Blush 201
- Did 45
- sulfate 50
- award 560
- unobtrusive 148
- sullen 150
- observatory 189
- fade 661
- literal 203
- fire wall 93
- ricotta 50
- syllabus 147
- ad agency 64
- substance 627
- welcome 340
- chiefly 96
- twitter 99
- log cabin 31
- acquire 473
- nutcase 60
- peppery 111
- placing 48
- breadwinner 146
- denudation 45
- Skittish 23
- tear into 28
- sincere 509
- Fullest 45
- Charlatan 43
- Robotic 171
- sixpence 54
- isometrics 55
- devolve 117
- Suffice 129
- boomer 133
- Short 182
- Abdicate 87
- anonymized 31
- motionless 71
- pig 515
- vino 85
- Murdered 110
- Elevator 197
- malcontent 56
- Withdraw 274
- lackluster 222
- give off 84
- wolfish 62
- cantabrigian 70
- Column 214
- Chose 114
- snail 67
- Excess 104
- angora 97
- complexation 56
- rumble on 106
- rustle 284
- bedroom 232
- notify 497
- Corner 172
- refrigerate 63
- busser 67
- body bag 108
- Impetus 205
- inessential 51
- avidity 95
- alight 145
- Flag 139
- mystery 558
- Sell 241
- ailment 148
- chigger 126
- exceptional 210
- demeanor 218
- Italian 412
- torso 101
- Impinge 193
- kookaburra 52
- adventitious 107
- pinkie 68
- block 302
- landing craft 71
- Clumsy 83
- Circumstance 210
- expand 589
- celebrated 141
- liquidate 103
- Nexus 140
- millibar 47
- allelomorph 56
- P.O. 108
- bull pen 49
- converging 59
- nominee 72
- PO 95
- artifact 156
- pussyfoot 71
- smug 289
- Plate 85
- plan 264
- Originally 168
- opera 512
- Bad 243
- tattler 58
- stigmatized 33
- steely 183
- Chippendale 15
- Advertising 98
- stillborn 52
- brutally 58
- Languid 149
- a piece of cake 110
- marshallese 32
- Hear! Hear! 83
- consummate 129
- refer 569
- free 355
- Wounded 84
- Chopper 104
- Get away 62
- Smudge 156
- touchline 50
- eardrum 111
- Exhausting 33
- rewind 105
- Unroll 111
- fevered 92
- Drought 162
- stabbed 39
- Entirely 185
- ritual 301
- aspic 103
- allomorph 76
- nepotism 54
- Stout 63
- hold on 240
- Race 254
- Undo 183
- pro bono 87
- Slovak 44
- dojo 59
- nicker 49
- bulimic 80
- Pilot 189
- cheerleader 179
- undistinguished 57
- Lallans 70
- convoke 63
- anything like 59
- unwilling 530
- Hole up 69
- demobilize 205
- aleatory 61
- siege 214
- impatiens 47
- Catch 184
- Thorough 84
- bantustan 77
- grimily 54
- Jeans 167
- mimesis 41
- atv 121
- aesthetic 241
- corruption 248
- vividly 130
- feel free 71
- convalesce 156
- yet again 71
- priming 57
- upended 46
- footnote 129
- Forebode 8
- ash 537
- Article 259
- posthumous 170
- bulimia 118
- as of 97
- Punctuation 100
- recrimination 51
- earthiness 70
- Transportation 224
- knight 111
- employ 645
- amalgamator 46
- blond 229
- Brood 101
- openly 48
- redound 69
- stack 568
- pleasant 506
- vivid 536
- pillow 636
- adjudicate 211
- ineligibility 97
- Benevolent 50
- arrest 617
- busy 354
- attention 533
- madden 58
- trip 339
- cartoon 213
- Biome 23
- fussbudget 95
- masterwork 129
- cloak 534
- Tenuous 164
- meme 113
- skyscraper 301
- waiter 496
- take (someone) under your wing 66
- Keeper 85
- recorder 541
- Laboratory 89
- perjure 74
- on behalf of sb 43
- Ravage 77
- amass 132
- lyre 87
- base 570
- bursar 84
- shyster 59
- acre 509
- summative 51
- unassuming 58
- excellent 671
- allocate 439
- pluralistic 38
- disruptive 187
- enamel 174
- biennial 183
- trivialize 243
- blasphemy 154
- Subside 185
- Pall 146
- sympathizer 46
- rejigger 50
- colony 514
- Munificent 61
- fraction 473
- style 573
- Makeshift 102
- back-and-forth 98
- Wren 89
- betel 105
- ssi 43
- Concrete 263
- sink 552
- standings 32
- amateurish 118
- compostable 62
- illustration 512
- scourge 94
- trial run 114
- regional 144
- Reception 90
- discerning 112
- voip 49
- retronym 44
- Cosmos 96
- official 624
- bandmaster 51
- shocked 154
- merchandiser 45
- racked 43
- biodiversity 110
- contraindication 94
- budget 526
- Magnificent 207
- disadvantage 553
- acquit 244
- desperately 186
- barnstorming 84
- rapporteur 68
- Bore 164
- fair trade 87
- conference 493
- Mile 205
- stay behind 62
- fall on 58
- Fit 206
- baseless 73
- starter 82
- Nerve 172
- interfere 539
- Definitely 165
- already 113
- henchman 109
- lay sth out 37
- ambulance 509
- technology 499
- shoeshine 52
- inner 522
- spur 593
- skinning 31
- surrey 52
- metalinguistic 56
- handout 248
- necktie 57
- untried 46
- trickery 102
- invasiveness 30
- synchronicity 46
- gelid 49
- Romantic 160
- fat 319
- ionize 61
- Rustling 135
- wavelength 457
- behold 176
- clumps 79
- deferment 113
- pave the way for (something or someone) 36
- enjoyable 182
- Abrogate 41
- gastritis 185
- indoor 389
- fissure 125
- squirearchy 46
- Inner 148
- serviceman 68
- lachrymose 72
- balletic 92
- printer 101
- fog 709
- Discriminating 53
- Airport 186
- villi 25
- Suppose 196
- Asleep 152
: a heavy radioactive gaseous element formed by the decay of radium see Chemical Elements Table
Example Sentences
Recent Examples on the Web August is awareness month for glaucoma, birth defects prevention, cervical health, radon and thyroids. 
Scott Lafee, San Diego Union-Tribune, 2 Aug. 2022 Thawing Arctic permafrost will expose local populations to more radon, and the iodine of desert dust may decrease ozone pollution but increase greenhouse gas longevity. Rafil Kroll-zaidi, Harper’s Magazine , 25 May 2022 The report also recommended that all results of radon tests conducted on Utah structures be reported to DEQ and put on an online database. Brian Maffly, The Salt Lake Tribune, 20 May 2022 The radiological team charged with looking for both radiation and radon has concluded. Caitlin O'kane, CBS News, 25 Apr. 2022 The Marion County Public Health Department offers free radon testing for county residents. Sarah Bowman, The Indianapolis Star, 17 Nov. 2021 The spring water in Tskaltubo is said to have a high level of radon, which has long been believed to decrease inflammation. Jamie Ditaranto, Condé Nast Traveler, 28 Sep. 2021 The average level of indoor radon in the U.S. is 1.3 picocuries per liter. Austen Erblat, sun-sentinel.com, 2 Sep. 2021 With federal assistance, Florida has acted on the recommendations of dozens of local health departments to investigate environmental pollution, like groundwater contamination or radon levels in the air. Lulu Ramadan, ProPublica, 22 Aug. 2021 See More
Scott Lafee, San Diego Union-Tribune, 2 Aug. 2022 Thawing Arctic permafrost will expose local populations to more radon, and the iodine of desert dust may decrease ozone pollution but increase greenhouse gas longevity. Rafil Kroll-zaidi, Harper’s Magazine , 25 May 2022 The report also recommended that all results of radon tests conducted on Utah structures be reported to DEQ and put on an online database. Brian Maffly, The Salt Lake Tribune, 20 May 2022 The radiological team charged with looking for both radiation and radon has concluded. Caitlin O'kane, CBS News, 25 Apr. 2022 The Marion County Public Health Department offers free radon testing for county residents. Sarah Bowman, The Indianapolis Star, 17 Nov. 2021 The spring water in Tskaltubo is said to have a high level of radon, which has long been believed to decrease inflammation. Jamie Ditaranto, Condé Nast Traveler, 28 Sep. 2021 The average level of indoor radon in the U.S. is 1.3 picocuries per liter. Austen Erblat, sun-sentinel.com, 2 Sep. 2021 With federal assistance, Florida has acted on the recommendations of dozens of local health departments to investigate environmental pollution, like groundwater contamination or radon levels in the air. Lulu Ramadan, ProPublica, 22 Aug. 2021 See More Word History
Etymology
International Scientific Vocabulary, from radium
First Known Use
1918, in the meaning defined above
Time Traveler
The first known use of radon was in 1918 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
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