The AI-powered English dictionary
not comparable
Of, or relating to the fusion of atomic nuclei at high temperatures. quotations examples
The first thermonuclear reaction was in a star; it was brought about by heat, as the description implies.
1956 May 25, “Chances Of Power Station Use For Hydrogen Bomb”, in The Times, London
Of, or relating to the use of atomic weapons based on such fusion, especially as distinguished from those based on fission. examples
plural thermonuclears
(military) A thermonuclear weapon.