A-bomb and Neutron bomb

A-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).

Neutron bomb and A-bomb are semantically related In some cases you can use "Neutron bomb" instead a noun phrase "A-bomb".

Neutron bomb noun - Atom bomb that produces lethal neutrons with less blast.

A-bomb and neutron bomb are semantically related in nuclear weapon topic. You can use "A-bomb" instead a noun phrase "Neutron bomb", if it concerns topics such as nuclear bomb, atomic bomb, atomic weapon.