Noun

• S: (n) decomposition, disintegration (in a decomposed state)
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• S: (n) disintegration (a loss (or serious disruption) of organization in some system) "a disintegration of personality"
• S: (n) dissolution, disintegration (separation into component parts)
• S: (n) decay, radioactive decay, disintegration (the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation)
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• S: (n) nuclear reaction ((physics) a process that alters the energy or structure or composition of atomic nuclei)
• S: (n) chain reaction (a self-sustaining nuclear reaction; a series of nuclear fissions in which neutrons released by splitting one atom leads to the splitting of others)
• S: (n) decay, radioactive decay, disintegration (the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation)
• S: (n) endoergic reaction (a nuclear reaction occurring with absorption of energy)
• S: (n) exoergic reaction (a nuclear reaction accompanied by the evolution of energy)
• S: (n) fission, nuclear fission (a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy)
• S: (n) fusion, nuclear fusion, nuclear fusion reaction (a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy)
• S: (n) spallation ((physics) a nuclear reaction in which a bombarded nucleus breaks up into many particles) "some astronomers believe that the solar system was formed by spallation when the sun was a very young star"
• derivationally related form
• S: (n) annihilation, disintegration (total destruction) "bomb tests resulted in the annihilation of the atoll"