nuclear weapon

nuclear weapon (plural nuclear weapons)

1. A weapon that derives its energy from the nuclear reactions of either fission or fusion.
   • 2013 April 9, Andrei Lankov, “Stay Cool. Call North Korea’s Bluff.”, in New York Times‎:

     Even if they managed to strike Japan, the United States or South Korea with nuclear weapons — a big if, given that they do not have a reliable delivery system — they could not save themselves from ultimate defeat.

• atomic weapon
• thermonuclear weapon
• nuke

• weapon of mass destruction