A hydrogen bomb is a very powerful and destructive type of bomb that uses hydrogen atoms to produce a huge explosion. It is much more powerful than the atomic bombs. Full definition
One possibility is a rocket powered by nuclear fusion, essentially a sequence of hydrogen bombs. (discovermagazine.com)
But the strategy had to change after the development of the more powerful hydrogen bomb, and with it the realization that having people living in the suburbs but working downtown was a problem. (treehugger.com)
It allows astronomers to measure the properties of stars, engineers to design GPS satellites, and nations to build hydrogen bombs. (discovermagazine.com)