Hydrogen bomb and Nuclear warhead

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

Nuclear warhead and hydrogen bomb are semantically related In some cases you can use "Nuclear warhead" instead a noun phrase "Hydrogen bomb".

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

Hydrogen bomb and nuclear warhead are semantically related in nuclear bomb topic. You can use "Hydrogen bomb" instead a noun phrase "Nuclear warhead", if it concerns topics such as atomic bomb.