单词 | chain reaction |
释义 | Word Frequency chain reactionnoun 1. a process in which a neutron colliding with an atomic nucleus causes fission and the ejection of one or more other neutrons, which induce other nuclei to split 2. a chemical reaction in which the product of one step is a reactant in the following step 3. a series of rapidly occurring events, each of which precipitates the next |
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