How to Pronounce Thermonuclear

To pronounce "thermonuclear", say THERM-on-ucl-ear — 4 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.

thermonuclear

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Accent

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Syllables

Letters

THERM-on-ucl-ear

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💡 Tip for remembering “thermonuclear”

"thermonuclear" has 4 syllables: therm-on-ucl-ear. It rhymes with nuclear and mononuclear, if that helps it stick.

What does thermonuclear mean?

adjective

Of, or relating to the fusion of atomic nuclei at high temperatures.
Of, or relating to the use of atomic weapons based on such fusion, especially as distinguished from those based on fission.

Hear “thermonuclear” in real sentences

Real example sentences from Tatoeba (CC-BY) — tap to hear each one, or see it used on YouGlish.

Words that rhyme with thermonuclear

Practicing rhymes trains the same ending sounds.

nuclear mononuclear

Frequently asked questions

How many syllables are in "thermonuclear"?▾

"Thermonuclear" has 4 syllables: therm · on · ucl · ear.

What does "thermonuclear" mean?▾

Thermonuclear: Of, or relating to the fusion of atomic nuclei at high temperatures.

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