Of, or relating to the fusion of atomic nuclei at high temperatures. / Of, or relating to the use of atomic weapons based on such fusion, especially as distinguished from those based on fission.

(military) A thermonuclear weapon.

plural of thermonuclear

A weapon whose power is derived from nuclear fusion at high temperature

plural of thermonuclear weapon

Synonym of thermonuclear weapon

plural of thermonuclear bomb

In a thermonuclear manner.