Longman Dictionary of Contemporary English
The Collaborative International Dictionary
H-bomb \H"-bomb`\ ([=a]ch"b[o^]mb`) n. The hydrogen bomb, a thermonuclear weapon that releases atomic energy by union of hydrogen nuclei at high temperatures to form helium. The force of its explosion may range from one to hundreds of megatons of TNT equivalent.
Syn: hydrogen bomb, fusion bomb, thermonuclear bomb.
Nuclear weapon \Nu"cle*ar wea"pon\, n. A weapon of great explosive power, such as an atomic bomb or a hydrogen bomb, which depends for most of its explosive power on the release of energy from within atomic nuclei by a nuclear reaction. A fission weapon or a fusion weapon. The term includes atomic shells for cannon.
Wiktionary
n. A thermonuclear bomb that derives its destructive power from the fusion of isotopes of hydrogen (deuterium and tritium).
WordNet
n. a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium [syn: H-bomb, fusion bomb, thermonuclear bomb]
Usage examples of "hydrogen bomb".
His twenty-one times great-grandfather launched the first rockets into orbit, and perfected the hydrogen bomb for use against a group of heretics in the South Polar Sands.
But the sword, gunpowder, steam, even the hydrogen bomb, all these were as nothing before the mass-energy converter.
A low-mass black hole in theory could be formed by compressing a small amount of matter with really tremendous pressuressay a hydrogen bomb several miles in diameter built around a pond of heavy water.
He seems convinced of the inherent stability of the hydrogen bomb -- after all, he does build the damn things.
You've got a daughter in the University of California in Santa Barbara, right next to one of the biggest intercontinental ballistic missile bases in the world, the Vanderberry Air Force Base, a number one target for a hydrogen bomb.
Even a modest-sized meteorite, twenty meters across, can do as much damage as a one-megaton hydrogen bomb.
Although he has always been a fervent anticommunist and technophile, as I look back over his life it seems to me I see something more in his desperate attempt to justify the hydrogen bomb: its effects aren't as bad as you might think.
All the work on the first hydrogen bomb was done on the first primitive computers—.
All the work on the first hydrogen bomb was done on the first primitive computers - Eniac, I think it was called.
Then fly a hydrogen bomb to the Moon, explode it, and examine the spectrum of the flash and fireball.
We have obtained schematics for a rather sophisticated variant of the gravity focuser, though this resembles what we have here on Triton about the way a hydrogen bomb resembles a matchstick.
The heat released in this reaction, which is like a controlled hydrogen bomb explosion, is what makes the star shine.
If you could build a spaceship with an immense pusher-plate at the end, then detonate a hydrogen bomb of sufficient kilotonnage beneath it .
But the mushroom cloud left by a hydrogen bomb is difficult to return to its metal case.
A hydrogen bomb might destroy a city but the fallout could slow-kill the population over a strip thousands of miles long and hundreds wide.