Phrase guide
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noun
An observed sharp enhancement of the production of cosmogenic isotopes by cosmic rays, which may be marked by a spike in the concentration of radioactive isotopes in tree rings and ice cores.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Named after the Japanese physicist Fusa Miyake, who first identified them.
