from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A hydrogen bomb.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. hydrogen bomb
from the GNU version of the Collaborative International Dictionary of English
- 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.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
Sorry, no etymologies found.