Fission bomb and Nuclear weapon

Fission bomb noun - A nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239).

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

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

Fission bomb and nuclear weapon are semantically related. You can use "Fission bomb" instead a noun phrase "Nuclear weapon".