hydrogen bomb
/ˈhaɪdrədʒən bɑm/
noun
- An extremely powerful nuclear weapon that releases energy from the fusion of hydrogen atoms, also called a thermonuclear bomb.
- Many countries have signed treaties to limit the development of hydrogen-bombs.
- Scientists warned that a single hydrogen-bomb could devastate an entire city.
- The hydrogen-bomb tested in the 1950s was far more destructive than earlier atomic bombs.
Synonyms