Meaning & use
Thermonuclear
Last updated
Relating to or produced by nuclear fusion reactions that occur at extremely high temperatures, especially in weapons or the sun.
See it in a sentence
The scientists studied the conditions needed to sustain a thermonuclear reaction.
A thermonuclear bomb is vastly more powerful than an atomic bomb based on fission alone.
A note on using this word
The sun's energy comes from thermonuclear fusion, the same basic process harnessed, far more destructively, in hydrogen bombs.
Words with a similar meaning
fusion-based
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