H-bomb and Nuclear weapon

H-bomb noun - A nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium.

Nuclear weapon and H-bomb are semantically related in nuclear bomb topic. In some cases you can use "Nuclear weapon" instead a noun phrase "H-bomb".

Nuclear weapon noun - A weapon of mass destruction whose explosive power derives from a nuclear reaction.

H-bomb and nuclear weapon are semantically related in atomic weapon topic. You can use "H-bomb" instead a noun phrase "Nuclear weapon".