thermonuclear reaction


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thermonuclear reaction

n
(Nuclear Physics) a nuclear fusion reaction occurring at a very high temperature: responsible for the energy produced in the sun, nuclear weapons, and fusion reactors. See nuclear fusion, hydrogen bomb
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thermonuclear reaction - a nuclear fusion reaction taking place at very high temperatures (as in the sun)
carbon cycle - a thermonuclear reaction in the interior of stars
nuclear fusion, nuclear fusion reaction, fusion - a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy
References in periodicals archive ?
Their transformation in the course of thermonuclear reactions brings about a rise in temperature.
When the layer builds to a certain depth, the fuel undergoes a runaway thermonuclear reaction and explodes, creating intense X-ray spikes detected by RXTE and other spacecraft.
When a dwarf--fed by a companion star--gets too heavy, a runaway thermonuclear reaction ignites in its core, producing a fireball bright enough to outshine surrounding galaxies.
4 times the mass of the sun, a runaway thermonuclear reaction ignites and the star violently combusts, producing a bright cosmic pockmark.
The star, dubbed Y-155, began its life around 200 times the mass of our Sun but probably became "pair-unstable" and triggered a runaway thermonuclear reaction that made it visible nearly halfway across the universe.