Word.ws English Dictionary

thermonuclear

UK/ˌθɜː.məʊˈnjuːk.liː.ə//ˌθɜɹ.moʊˈn(j)uk.li.əɹ/

thermonuclear adjective: of, or relating to the fusion of atomic nuclei at high temperatures.

Adjective

thermonuclear (not comparable)

  1. Of, or relating to the fusion of atomic nuclei at high temperatures.
    • The first thermonuclear reaction was in a star; it was brought about by heat, as the description implies.1956 May 25, “Chances Of Power Station Use For Hydrogen Bomb”, in The Times, London
  2. Of, or relating to the use of atomic weapons based on such fusion, especially as distinguished from those based on fission.
    • I can't believe you gave me, a ten-year-old boy, a thermonuclear device [...]2021 January 30, ISP, quoting iSorrowproductions, Beating Fallout 3 But Every Enemy Has A NUKE - Every Enemy Has A Fat Man Mod

Noun

thermonuclear (plural thermonuclears)

  1. A thermonuclear weapon.
    • China detonated her first thermonuclear in June 1967.

thermonuclear meaning in Tamil and Tagalog

thermonuclear in Tamil

அணு வெப்பாற்றல் தொடர்பு

thermonuclear in Tagalog

of, or relating to the fusion of atomic nuclei at high temperatures
initbutudnin

Synonyms of thermonuclear

Forms of thermonuclear

Adjective
alternative formthermo-nuclear
Noun
pluralthermonuclears

Origin of thermonuclear

From thermo- + nuclear.

Words formed from thermonuclear

Phrases with thermonuclear

Questions about thermonuclear

What does thermonuclear mean?
Thermonuclear means of, or relating to the fusion of atomic nuclei at high temperatures.
What is thermonuclear in Tamil?
Thermonuclear in Tamil is அணு வெப்பாற்றல் தொடர்பு. See Thermonuclear meaning in Tamil.
What part of speech is thermonuclear?
Thermonuclear can be an adjective or a noun.
How do you pronounce thermonuclear?
Thermonuclear is pronounced /ˌθɜː.məʊˈnjuːk.liː.ə/ (UK).

Words near thermonuclear in the dictionary

  1. thermoneutrally
  2. thermonociception
  3. thermonociceptive
  4. thermonociceptor
  5. thermonociceptors
  6. thermonuclear
  7. thermonuclear bomb
  8. thermonuclear bombs
  9. thermonuclear war
  10. thermonuclear wars
  11. thermonuclear weapon

Source and license

Adapted from Wiktionary: thermonuclear (page history and authors); thermonuclear (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-AnotherFriendlyHuman-thermonuclear.wav.

Cite this entry: “thermonuclear.” Word.ws, https://word.ws/thermonuclear. Based on Wiktionary, CC BY-SA 4.0.