aluminum 26


Definition of aluminum 26

  1. :  a heavy radioactive isotope of aluminum of mass number 26 that is found in meteorites The aluminum 26 is thought to originate mostly in supernova explosions, where rapid nuclear reactions build up a wide variety of heavy atomic nuclei. — Neil Gehrels, Scientific American, December 1993

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First Known Use of aluminum 26


Seen and Heard

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to cast off or become cast off

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