Nuclear weapon and Nuclear warhead

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

Nuclear warhead and nuclear weapon are semantically related In some cases you can use "Nuclear warhead" instead a noun phrase "Nuclear weapon".

Nuclear warhead noun - The warhead of a missile designed to deliver an atom bomb.

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