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Meltdown

noun/mˈɛltdaʊn/
Definition
severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping
a disaster comparable to a nuclear meltdown
Pronunciation
🇺🇸American English
/mˈɛltdaʊn/
🇬🇧British English
/mˈɛltdaʊn/
🇮🇳Indian English
/mˈɛltdaʊn/
2 syllables Say it as /mˈɛltdaʊn/.
Examples
Synonyms & Antonyms
Synonyms
Parts of Speech
nounsevere overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping
nouna disaster comparable to a nuclear meltdown
“there is little likelihood of a meltdown comparable to the American banking collapse in March 1933”
Around the World
Europe
🇩🇪German
Kernschmelze
Starke Überhitzung des Kerns eines Kernreaktors, die dazu führt, dass der Kern schmilzt und Strahlung austritt
🇫🇷French
effondrement
surchauffe grave du cœur d'un réacteur nucléaire entraînant la fusion du cœur et la fuite des radiations
🇪🇸Spanish
fusión de un reactor
Sobrecalentamiento severo del núcleo de un reactor nuclear que provoca que el núcleo se derrita y se escape la radiación.
🇮🇹Italian
fusione
grave surriscaldamento del nocciolo di un reattore nucleare con conseguente fusione del nocciolo e fuoriuscita di radiazioni
🇳🇱Dutch
instorting
ernstige oververhitting van de kern van een kernreactor, waardoor de kern smelt en straling ontsnapt
🇵🇹Portuguese
colapso
superaquecimento severo do núcleo de um reator nuclear, resultando no derretimento do núcleo e no escape de radiação
🇷🇺Russian
крах
сильный перегрев активной зоны ядерного реактора, приводящий к плавлению активной зоны и выходу радиации
India
🇮🇳Hindi
मंदी
परमाणु रिएक्टर के कोर के गंभीर रूप से गर्म होने के परिणामस्वरूप कोर पिघल जाता है और विकिरण निकल जाता है
🇧🇩Bengali
গলে যাওয়া
একটি পারমাণবিক চুল্লির কেন্দ্রের তীব্র অতিরিক্ত উত্তাপের ফলে মূল গলে যায় এবং বিকিরণ বেরিয়ে যায়
🇮🇳Tamil
உருகுதல்
அணு உலையின் மையப்பகுதியை அதிக வெப்பமாக்குதல், இதன் விளைவாக மைய உருகும் மற்றும் கதிர்வீச்சு வெளியேறும்
🇮🇳Telugu
కరిగిపోవడం
అణు రియాక్టర్ యొక్క కోర్ యొక్క తీవ్రమైన వేడెక్కడం ఫలితంగా కోర్ ద్రవీభవన మరియు రేడియేషన్ తప్పించుకోవడం
🇮🇳Marathi
वितळणे
अणुभट्टीच्या गाभ्याचे तीव्र अतिउष्णतेमुळे कोर वितळणे आणि रेडिएशन बाहेर पडणे
🇮🇳Gujarati
મેલ્ટડાઉન
પરમાણુ રિએક્ટરના કોરનું ગંભીર ઓવરહિટીંગ પરિણામે કોર ગલન થાય છે અને કિરણોત્સર્ગ બહાર નીકળી જાય છે
🇮🇳Kannada
ಕರಗುವಿಕೆ
ಪರಮಾಣು ರಿಯಾಕ್ಟರ್‌ನ ಕೋರ್‌ನ ತೀವ್ರ ಮಿತಿಮೀರಿದ ಪರಿಣಾಮವಾಗಿ ಕೋರ್ ಕರಗುವಿಕೆ ಮತ್ತು ವಿಕಿರಣವು ಹೊರಹೋಗುತ್ತದೆ
🇮🇳Malayalam
ഉരുകൽ
ഒരു ന്യൂക്ലിയർ റിയാക്ടറിൻ്റെ കാമ്പിനെ അമിതമായി ചൂടാക്കുകയും അതിൻ്റെ ഫലമായി കാമ്പ് ഉരുകുകയും റേഡിയേഷൻ രക്ഷപ്പെടുകയും ചെയ്യുന്നു
🇮🇳Punjabi
ਪਿਘਲਣਾ
ਪਰਮਾਣੂ ਰਿਐਕਟਰ ਦੇ ਕੋਰ ਦੀ ਗੰਭੀਰ ਓਵਰਹੀਟਿੰਗ ਦੇ ਨਤੀਜੇ ਵਜੋਂ ਕੋਰ ਪਿਘਲਣਾ ਅਤੇ ਰੇਡੀਏਸ਼ਨ ਨਿਕਲਣਾ
🇵🇰Urdu
پگھلاؤ
جوہری ری ایکٹر کے کور کی شدید حد سے زیادہ گرمی جس کے نتیجے میں کور پگھلتا ہے اور تابکاری فرار ہوتی ہے
East & Southeast Asia
🇨🇳Chinese
崩溃
核反应堆堆芯严重过热,导致堆芯熔化和辐射逸出
🇯🇵Japanese
メルトダウン
原子炉の炉心の深刻な過熱により、炉心が溶融し、放射線が漏れること
🇰🇷Korean
붕괴
원자로 노심의 심각한 과열로 노심이 녹고 방사선이 누출되는 현상
🇻🇳Vietnamese
sự suy sụp
Lõi của lò phản ứng hạt nhân quá nóng nghiêm trọng dẫn đến tan chảy lõi và thoát ra bức xạ
🇹🇭Thai
การล่มสลาย
ความร้อนสูงเกินไปอย่างรุนแรงของแกนเครื่องปฏิกรณ์นิวเคลียร์ ส่งผลให้แกนกลางหลอมละลายและรังสีหลุดออกไป
🇮🇩Indonesian
kehancuran
panas berlebih yang parah pada inti reaktor nuklir mengakibatkan inti meleleh dan radiasi keluar
🇵🇭Filipino
pagkatunaw
matinding overheating ng core ng isang nuclear reactor na nagreresulta sa pagtunaw ng core at pag-alis ng radiation
🇲🇾Malay
kehancuran
kepanasan melampau teras reaktor nuklear yang mengakibatkan lebur teras dan radiasi terlepas
Middle East
🇸🇦Arabic
الانهيار
ارتفاع درجة حرارة قلب المفاعل النووي بشدة مما يؤدي إلى ذوبان القلب وتسرب الإشعاع
🇮🇷Persian
ذوب شدن
گرمای بیش از حد شدید هسته یک راکتور هسته ای که منجر به ذوب شدن هسته و خروج تشعشعات می شود.
🇹🇷Turkish
erime
nükleer reaktörün çekirdeğinin aşırı ısınması sonucu çekirdeğin erimesi ve radyasyonun kaçması
🇮🇱Hebrew
התמוטטות
התחממות יתר חמורה של הליבה של כור גרעיני וכתוצאה מכך הליבה נמסה וקרינה בריחת
Test Yourself1 / 3
What is the primary definition of the word 'meltdown'?
The primary meaning of 'meltdown' is 'severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping'.
Which of the following sentences uses the word 'meltdown' in a grammatically correct way?
Using 'meltdown' in a noun/adjective form makes the first sentence correct.
In which domain is the word 'meltdown' most likely to appear as standard vocabulary?
'meltdown' is a standard word used primarily in general literature and formal communications.
Community Poll1 / 6
How often do you encounter the word 'meltdown' in your daily reading?
Very Often
Occasionally
Rarely
Never
Do you find 'meltdown' easy to spell?
Yes, very easy
Somewhat easy
A bit confusing
Extremely hard
In your opinion, does the word 'meltdown' have a positive, neutral, or gloomy tone?
Positive
Neutral
Gloomy
Vibrant
Which age group is most likely to use 'meltdown' in regular conversations?
Kids (3-12)
Teens (13-19)
Adults (20-60)
Seniors (60+)
How likely are you to use 'meltdown' in a professional email?
Very likely
Somewhat likely
Not very likely
Never
Would you classify 'meltdown' as formal, casual, or slang?
Formal
Casual
Slang
Archaic
Pick an option to see how others voted
This word is also in the Advanced book — want the full, immersive treatment (age meanings, culture, creative use, deeper Hindi & exercises)? Open the Advanced entry →