thermonuclear bomb

1. Nuclear weapon: or atomic weapon, or thermonuclear weapon; bomb or other warhead that derives its force from either nuclear fission, nuclear fusion, or both and is delivered by an aircraft, missile, or other system.
   核子武器：亦称原子武器或热核武器，利用原子核的裂变或聚变产生爆炸力的炸弹或其它弹头，用飞机，火箭或其它战略发射系统发射。

noun

1. a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium

   Synonym:    hydrogen bombH-bombfusion bomb