HyperDic: nuclear_reaction

English > 1 sense of the expression nuclear reaction:
NOUNprocessnuclear reaction(physics) a process that alters the energy or structure or composition of atomic nuclei
English > nuclear reaction: 1 sense > noun 1, process
Meaning(physics) a process that alters the energy or structure or composition of atomic nuclei.
Categoryphysics, natural philosophyThe science of matter and energy and their interactions
Narrowerchain reactionA self-sustaining nuclear reaction
decay, radioactive decay, disintegrationThe spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
endoergic reactionA nuclear reaction occurring with absorption of energy
exoergic reactionA nuclear reaction accompanied by the evolution of energy
fission, nuclear fissionA nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
fusion, nuclear fusion, nuclear fusion reactionA nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy
spallation(physics) a nuclear reaction in which a bombarded nucleus breaks up into many particles
Broadernatural process, natural action, action, activityA process existing in or produced by nature (rather than by the intent of human beings)
Spanishreacción nuclear
Catalanreacció nuclear

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