About: hydrogen bomb

Premodifier: hydrogen
Head noun: bomb

Same concepts
http://dbpedia.org/resource/Thermonuclear_weapon

Broader concepts

label	provenance	confidence
weapon of mass destruction	isap:301199708	0.793906
nuclear weapon	isap:301199672	0.737501
nuclear device	isap:303471258	0.721361
weapon	isap:301199696	0.645167
fusion device	isap:303471309	0.584251
fusion weapon	isap:301199736	0.545594
device	isap:303471308	0.537254
nuclear bomb	isap:169379890	0.491395
peril	isap:87936481	0.475430
bomb	isap:169379876	0.344136
development	isap:419142652	0.294755

Narrower concepts

label	provenance	confidence
bomb	isap:169379906	0.202077